diff --git a/data/sql/concatenated_operation.sql b/data/sql/concatenated_operation.sql
index 03d1c94614..0047404d48 100644
--- a/data/sql/concatenated_operation.sql
+++ b/data/sql/concatenated_operation.sql
@@ -427,3 +427,9 @@ INSERT INTO "concatenated_operation" VALUES('EPSG','9337','NTF (Paris) to RGF93
 INSERT INTO "usage" VALUES('EPSG','14012','concatenated_operation','EPSG','9337','EPSG','3694','EPSG','1041');
 INSERT INTO "concatenated_operation" VALUES('EPSG','9499','ETRS89 to GHA height (2)','This concatenated operation gives the same result as the HoehenGrid-plus offset from ETRS89 to GHA height. HoehenGrid-plus is implemented in BEV-Transformator using MGI (CRS 4312) as the interpolation CRS for the grid','EPSG','4937','EPSG','5778',0.07,'BEV-Aut',0);
 INSERT INTO "usage" VALUES('EPSG','14958','concatenated_operation','EPSG','9499','EPSG','1037','EPSG','1133');
+INSERT INTO "concatenated_operation" VALUES('EPSG','9683','ITRF2014 to GDA94 (2)','See ITRF2014 to GDA94 (1) (CT 9682) for conformal-only alternative (i.e. without distortion modelling).','EPSG','9000','EPSG','4283',0.06,'ICSM-Aus Conf+Dist',0);
+INSERT INTO "usage" VALUES('EPSG','14962','concatenated_operation','EPSG','9683','EPSG','2575','EPSG','1234');
+INSERT INTO "concatenated_operation" VALUES('EPSG','9685','ATRF2014 to GDA94 (2)','See ATRF2014 to GDA94 (1) (CT 9684) for conformal-only alternative (i.e. without distortion modelling).','EPSG','9309','EPSG','4283',0.06,'ICSM-Aus Conf+Dist',0);
+INSERT INTO "usage" VALUES('EPSG','14963','concatenated_operation','EPSG','9685','EPSG','2575','EPSG','1234');
+INSERT INTO "concatenated_operation" VALUES('EPSG','9687','GDA94 to WGS 84 (G1762) (2)','See GDA94 to WGS 84 (G1762) (1) (CT code 9686) for conformal-only alternative (i.e. without distortion modelling).','EPSG','4283','EPSG','9057',0.25,'ICSM-Aus Conf+Dist',0);
+INSERT INTO "usage" VALUES('EPSG','14964','concatenated_operation','EPSG','9687','EPSG','2575','EPSG','1234');
diff --git a/data/sql/concatenated_operation_step.sql b/data/sql/concatenated_operation_step.sql
index d19ed72565..4f60032a31 100644
--- a/data/sql/concatenated_operation_step.sql
+++ b/data/sql/concatenated_operation_step.sql
@@ -431,3 +431,9 @@ INSERT INTO "concatenated_operation_step" VALUES('EPSG','9337',1,'EPSG','1763');
 INSERT INTO "concatenated_operation_step" VALUES('EPSG','9337',2,'EPSG','9327');
 INSERT INTO "concatenated_operation_step" VALUES('EPSG','9499',1,'EPSG','9276');
 INSERT INTO "concatenated_operation_step" VALUES('EPSG','9499',2,'EPSG','9275');
+INSERT INTO "concatenated_operation_step" VALUES('EPSG','9683',1,'EPSG','8049');
+INSERT INTO "concatenated_operation_step" VALUES('EPSG','9683',2,'EPSG','8447');
+INSERT INTO "concatenated_operation_step" VALUES('EPSG','9685',1,'EPSG','9459');
+INSERT INTO "concatenated_operation_step" VALUES('EPSG','9685',2,'EPSG','8447');
+INSERT INTO "concatenated_operation_step" VALUES('EPSG','9687',1,'EPSG','8447');
+INSERT INTO "concatenated_operation_step" VALUES('EPSG','9687',2,'EPSG','8448');
diff --git a/data/sql/grid_transformation.sql b/data/sql/grid_transformation.sql
index 7b1c2b5bcb..016523149e 100644
--- a/data/sql/grid_transformation.sql
+++ b/data/sql/grid_transformation.sql
@@ -274,8 +274,8 @@ INSERT INTO "grid_transformation" VALUES('EPSG','1750','NAD83 to WGS 84 (54)','P
 INSERT INTO "usage" VALUES('EPSG','8671','grid_transformation','EPSG','1750','EPSG','2298','EPSG','1252');
 INSERT INTO "grid_transformation" VALUES('EPSG','1752','NAD83 to NAD83(CSRS98) (3)','This gridded difference file AB_CSRS.DAC will need to be renamed to AB_CSRS.gsb to run in some software suites. Formats identical, but AB file is provincial fit only. Can be taken as an approximate transformation NAD83 to WGS 84 - see code 1702.','EPSG','9615','NTv2','EPSG','4269','EPSG','4140',NULL,'EPSG','8656','Latitude and longitude difference file','AB_CSRS.DAC',NULL,NULL,NULL,NULL,NULL,NULL,'AB Env-Can AB',1);
 INSERT INTO "usage" VALUES('EPSG','8673','grid_transformation','EPSG','1752','EPSG','2376','EPSG','1025');
-INSERT INTO "grid_transformation" VALUES('EPSG','1803','AGD66 to GDA94 (11)','Replaces AGD66 to GDA94 variants 6, 7 and 10 (codes 1506 1507 1596). Input expects longitudes to be positive west; EPSG GeogCRS AGD66 (code 4202) and GDA94 (code 4283) both have longitudes positive east. May be used as tfm to WGS 84 - see code 15786.','EPSG','9615','NTv2','EPSG','4202','EPSG','4283',0.1,'EPSG','8656','Latitude and longitude difference file','A66 National (13.09.01).gsb',NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Aus 0.1m',0);
-INSERT INTO "usage" VALUES('EPSG','8724','grid_transformation','EPSG','1803','EPSG','2575','EPSG','1031');
+INSERT INTO "grid_transformation" VALUES('EPSG','1803','AGD66 to GDA94 (11)','Replaces AGD66 to GDA94 variants 6, 7 and 10 (codes 1506 1507 1596). Input expects longitudes to be positive west; source and target CRSs AGD66 (code 4202) and GDA94 (code 4283) both have longitudes positive east.','EPSG','9615','NTv2','EPSG','4202','EPSG','4283',0.5,'EPSG','8656','Latitude and longitude difference file','A66 National (13.09.01).gsb',NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Aus 0.1m',0);
+INSERT INTO "usage" VALUES('EPSG','8724','grid_transformation','EPSG','1803','EPSG','2575','EPSG','1035');
 INSERT INTO "grid_transformation" VALUES('EPSG','1804','AGD84 to GDA94 (5)','Replaces AGD84 to GDA94 (4) (code 1593) which itself replaced variant 3 (code 1559). Input expects longitudes to be + west; EPSG GeogCRS AGD84 (code 4203) and GDA94 (code 4283) both have longitudes positive east. May be used as tfm to WGS 84 - see 15785','EPSG','9615','NTv2','EPSG','4203','EPSG','4283',0.1,'EPSG','8656','Latitude and longitude difference file','National 84 (02.07.01).gsb',NULL,NULL,NULL,NULL,NULL,NULL,'Auslig-Aus 0.1m',0);
 INSERT INTO "usage" VALUES('EPSG','14199','grid_transformation','EPSG','1804','EPSG','2576','EPSG','1031');
 INSERT INTO "grid_transformation" VALUES('EPSG','1841','ATS77 to NAD83(CSRS) (1)','Introduced in 1999. Can be taken as an approximate transformation ATS77 to WGS 84 - see code 1688.','EPSG','9615','NTv2','EPSG','4122','EPSG','4617',1.5,'EPSG','8656','Latitude and longitude difference file','NB7783v2.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'GIC-Can NB',1);
@@ -818,9 +818,9 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9445','ODN height to EVRF2019 h
 INSERT INTO "usage" VALUES('EPSG','14103','grid_transformation','EPSG','9445','EPSG','2792','EPSG','1059');
 INSERT INTO "grid_transformation" VALUES('EPSG','9454','ETRS89 to GBK19-IRF (1)','In conjunction with the GBK19-TM map projection (code 9455) applied to GBK19-IRF (code 9453), emulates the GBK19 Snake projection. Applied to ETRS89 (as realized through the OSNet v2009 CORS) defines GBK19-IRF hence is errorless.','EPSG','9615','NTv2','EPSG','4258','EPSG','9453',0.0,'EPSG','8656','Latitude and longitude difference file','TN15-ETRS89-to-GBK19-IRF.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'NR-Gbr GBK19 OSNet2009',0);
 INSERT INTO "usage" VALUES('EPSG','14129','grid_transformation','EPSG','9454','EPSG','4607','EPSG','1141');
-INSERT INTO "grid_transformation" VALUES('EPSG','9461','GDA2020 to AVWS height (1)','AGQG is used to realise AVWS. Uncertainties (4-8 cm across mainland Australia) given in accompanying file AGQG_uncertainty_20191107.gsb. For reversible alternative to this transformation see GDA2020 to GDA2020 + AVWS height (1) (code 9465).','EPSG','1048','Geographic3D to GravityRelatedHeight (AUSGeoid v2)','EPSG','7843','EPSG','9458',0.1,'EPSG','8666','Geoid (height correction) model file','AGQG_20191107.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus AGQG 20191107',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9461','GDA2020 to AVWS height (1)','AGQG is used to realise AVWS. Uncertainties (4-8 cm across mainland Australia) given in accompanying file AGQG_uncertainty_20191107.gsb. For reversible alternative to this transformation see GDA2020 to GDA2020 + AVWS height (1) (code 9465).','EPSG','1048','Geographic3D to GravityRelatedHeight (AUSGeoid v2)','EPSG','7843','EPSG','9458',0.1,'EPSG','8666','Geoid (height correction) model file','AGQG_20191107.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus AGQG 20191107',1);
 INSERT INTO "usage" VALUES('EPSG','14141','grid_transformation','EPSG','9461','EPSG','4177','EPSG','1264');
-INSERT INTO "grid_transformation" VALUES('EPSG','9465','GDA2020 to GDA2020 + AVWS height (1)','Reversible alternative to GDA2020 to AVWS height (1) (code 9461). AGQG is used to realise AVWS. Uncertainties (4-8 cm across mainland Australia) given in accompanying file AGQG_uncertainty_20191107.gsb.','EPSG','1083','Geog3D to Geog2D+Vertical (AUSGeoid v2)','EPSG','7843','EPSG','9462',0.1,'EPSG','8666','Geoid (height correction) model file','AGQG_20191107.gsb',NULL,NULL,NULL,NULL,'EPSG','7844','GA-Aus AGQG 20191107',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9465','GDA2020 to GDA2020 + AVWS height (1)','Reversible alternative to GDA2020 to AVWS height (1) (code 9461). AGQG is used to realise AVWS. Uncertainties (4-8 cm across mainland Australia) given in accompanying file AGQG_uncertainty_20191107.gsb.','EPSG','1083','Geog3D to Geog2D+Vertical (AUSGeoid v2)','EPSG','7843','EPSG','9462',0.1,'EPSG','8666','Geoid (height correction) model file','AGQG_20191107.gsb',NULL,NULL,NULL,NULL,'EPSG','7844','GA-Aus AGQG 20191107',1);
 INSERT INTO "usage" VALUES('EPSG','14145','grid_transformation','EPSG','9465','EPSG','4177','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9466','GDA2020 to GDA2020 + AHD height (1)','Reversible alternative to GDA2020 to AHD height (1) (code 8451). Uncertainties given in accompanying file AUSGeoid2020_20180201_error.gsb','EPSG','1083','Geog3D to Geog2D+Vertical (AUSGeoid v2)','EPSG','7843','EPSG','9463',0.15,'EPSG','8666','Geoid (height correction) model file','AUSGeoid2020_20180201.gsb',NULL,NULL,NULL,NULL,'EPSG','7844','GA-Aus 2020',0);
 INSERT INTO "usage" VALUES('EPSG','14146','grid_transformation','EPSG','9466','EPSG','4493','EPSG','1133');
@@ -906,6 +906,14 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9648','RH2000 height to EVRF201
 INSERT INTO "usage" VALUES('EPSG','14697','grid_transformation','EPSG','9648','EPSG','3313','EPSG','1059');
 INSERT INTO "grid_transformation" VALUES('EPSG','9649','RH2000 height to EVRF2019 mean-tide height (1)','Determined at 3356 points, SD 0.016m. Offset: mean 0.036m, minimum 0.003m, maximum 0.071m.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','5613','EPSG','9390',0.032,'EPSG','8732','Vertical offset file','se_2019m.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Swe 2019m 2020-09',0);
 INSERT INTO "usage" VALUES('EPSG','14778','grid_transformation','EPSG','9649','EPSG','3313','EPSG','1059');
+INSERT INTO "grid_transformation" VALUES('EPSG','9689','GDA94 to WGS 84 (3)','Equivalent to concatenation of CT 8447 and null CT 8450 through GDA2020. See GDA94 to WGS 84 (2) (CT code 9688) for conformal-only alternative (i.e. without distortion modelling).','EPSG','9615','NTv2','EPSG','4283','EPSG','4326',3.0,'EPSG','8656','Latitude and longitude difference file','GDA94_GDA2020_conformal_and_distortion.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Aus Conf and Dist',0);
+INSERT INTO "usage" VALUES('EPSG','14965','grid_transformation','EPSG','9689','EPSG','2575','EPSG','1275');
+INSERT INTO "grid_transformation" VALUES('EPSG','9691','WGS 84 to GDA2020 (4)','Equivalent to concatenation of null CT 1150 and CT 8447 through GDA94. See WGS 84 to GDA94 (3) (CT code 9690) for conformal-only alternative (i.e. without distortion modelling).','EPSG','9615','NTv2','EPSG','4326','EPSG','7844',3.0,'EPSG','8656','Latitude and longitude difference file','GDA94_GDA2020_conformal_and_distortion.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Aus Conf and Dist',0);
+INSERT INTO "usage" VALUES('EPSG','14966','grid_transformation','EPSG','9691','EPSG','2575','EPSG','1159');
+INSERT INTO "grid_transformation" VALUES('EPSG','9692','GDA2020 to AVWS height (2)','AGQG is used to realise AVWS. Uncertainties (4-8 cm across mainland Australia) given in accompanying file AGQG_uncertainty_20201120.gsb. For reversible alternative to this transformation see GDA2020 to GDA2020 + AVWS height (2) (code 9693).','EPSG','1048','Geographic3D to GravityRelatedHeight (AUSGeoid v2)','EPSG','7843','EPSG','9458',0.1,'EPSG','8666','Geoid (height correction) model file','AGQG_20201120.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus AGQG 20201120',0);
+INSERT INTO "usage" VALUES('EPSG','14924','grid_transformation','EPSG','9692','EPSG','4177','EPSG','1264');
+INSERT INTO "grid_transformation" VALUES('EPSG','9693','GDA2020 to GDA2020 + AVWS height (2)','Reversible alternative to GDA2020 to AVWS height (1) (code 9692). AGQG is used to realise AVWS. Uncertainties (4-8 cm across mainland Australia) given in accompanying file AGQG_uncertainty_20201120.gsb.','EPSG','1083','Geog3D to Geog2D+Vertical (AUSGeoid v2)','EPSG','7843','EPSG','9462',0.1,'EPSG','8666','Geoid (height correction) model file','AGQG_20201120.gsb',NULL,NULL,NULL,NULL,'EPSG','7844','GA-Aus AGQG 20201120',0);
+INSERT INTO "usage" VALUES('EPSG','14967','grid_transformation','EPSG','9693','EPSG','4177','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','10000','RGF93 to NGF-IGN69 height (1)','May be used for transformations from WGS 84 to NGF-IGN69 height. Accuracy at each 0.1 deg x 0.1 degree grid node is given within the geoid model file.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4965','EPSG','5720',0.5,'EPSG','8666','Geoid (height correction) model file','ggf97a.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra',0);
 INSERT INTO "usage" VALUES('EPSG','11001','grid_transformation','EPSG','10000','EPSG','1326','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','10001','ETRS89 to NGF-IGN69 height (1)','Parameter values taken from RGF93 to NGF-IGN69 height (1) (code 10000) assuming that RGF93 is equivalent to ETRS89 within the accuracy of the transformation. Accuracy at each 0.1 deg x 0.1 degree grid node is given within the geoid model file.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4937','EPSG','5720',0.5,'EPSG','8666','Geoid (height correction) model file','ggf97a.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra',0);
@@ -1090,10 +1098,10 @@ INSERT INTO "grid_transformation" VALUES('EPSG','15492','RRAF 1991 to IGN 1988 S
 INSERT INTO "usage" VALUES('EPSG','11503','grid_transformation','EPSG','15492','EPSG','2890','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','15781','WGS 84 to EGM84 height (1)','File may also be found named as "EGM84.GRD". An executable using spherical harmonics is also available. Replaced by WGS 84 to EGM96 height (1) (CT code 10084).','EPSG','9661','Geographic3D to GravityRelatedHeight (EGM)','EPSG','4979','EPSG','5798',1.0,'EPSG','8666','Geoid (height correction) model file','DIRACC.DAT',NULL,NULL,NULL,NULL,NULL,NULL,'NGA-World',0);
 INSERT INTO "usage" VALUES('EPSG','11792','grid_transformation','EPSG','15781','EPSG','1262','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','15785','AGD84 to WGS 84 (9)','Transformation taken from AGD84 to GDA94 (5) (code 1804) assuming that GDA94 is equivalent to WGS 84 within the accuracy of this tfm. Uses NTv2 method which expects longitudes positive west; EPSG CRS codes 4203 and 4326 have longitudes positive east.','EPSG','9615','NTv2','EPSG','4203','EPSG','4326',1.0,'EPSG','8656','Latitude and longitude difference file','National 84 (02.07.01).gsb',NULL,NULL,NULL,NULL,NULL,NULL,'OGP-Aus 1m',0);
-INSERT INTO "usage" VALUES('EPSG','11796','grid_transformation','EPSG','15785','EPSG','2576','EPSG','1041');
-INSERT INTO "grid_transformation" VALUES('EPSG','15786','AGD66 to WGS 84 (17)','Transformation taken from AGD66 to GDA94 (11) (code 1803) assuming that GDA94 is equivalent to WGS 84 within the accuracy of this tfm. Uses NTv2 method which expects longitudes positive west; EPSG CRS codes 4202 and 4326 have longitudes positive east.','EPSG','9615','NTv2','EPSG','4202','EPSG','4326',1.0,'EPSG','8656','Latitude and longitude difference file','A66 National (13.09.01).gsb',NULL,NULL,NULL,NULL,NULL,NULL,'OGP-Aus 0.1m',0);
-INSERT INTO "usage" VALUES('EPSG','11797','grid_transformation','EPSG','15786','EPSG','2575','EPSG','1041');
+INSERT INTO "grid_transformation" VALUES('EPSG','15785','AGD84 to WGS 84 (9)','Parameter values from AGD84 to GDA94 (5) (code 1804). Approximation assuming WGS 84 is equivalent to GDA94; ignores the low accuracy of the WGS 84 ensemble and the inconsistent application of tectonic plate motion to WGS 84 data.','EPSG','9615','NTv2','EPSG','4203','EPSG','4326',2.9,'EPSG','8656','Latitude and longitude difference file','National 84 (02.07.01).gsb',NULL,NULL,NULL,NULL,NULL,NULL,'OGP-Aus 1m',0);
+INSERT INTO "usage" VALUES('EPSG','11796','grid_transformation','EPSG','15785','EPSG','2576','EPSG','1252');
+INSERT INTO "grid_transformation" VALUES('EPSG','15786','AGD66 to WGS 84 (17)','Parameter values from AGD66 to GDA94 (11) (code 1803). Approximation assuming WGS 84 is equivalent to GDA94; ignores the low accuracy of the WGS 84 ensemble and the inconsistent application of tectonic plate motion to WGS 84 data.','EPSG','9615','NTv2','EPSG','4202','EPSG','4326',2.9,'EPSG','8656','Latitude and longitude difference file','A66 National (13.09.01).gsb',NULL,NULL,NULL,NULL,NULL,NULL,'OGP-Aus 0.1m',0);
+INSERT INTO "usage" VALUES('EPSG','11797','grid_transformation','EPSG','15786','EPSG','2575','EPSG','1252');
 INSERT INTO "grid_transformation" VALUES('EPSG','15834','NAD83 to NAD83(HARN) (44)','Uses NADCON method which expects longitudes positive west; EPSG GeogCRSs NAD83 (code 4269) and NAD83(HARN) (code 4152) have longitudes positive east.  May be taken as approximate transformation NAD83-WGS 84 - see code 15835.','EPSG','9613','NADCON','EPSG','4269','EPSG','4152',0.05,'EPSG','8657','Latitude difference file','nchpgn.las','EPSG','8658','Longitude difference file','nchpgn.los',NULL,NULL,'NGS-Usa NC',0);
 INSERT INTO "usage" VALUES('EPSG','11845','grid_transformation','EPSG','15834','EPSG','1402','EPSG','1027');
 INSERT INTO "grid_transformation" VALUES('EPSG','15835','NAD83 to WGS 84 (55)','Parameter files are from NAD83 to NAD83(HARN) (44) (code 15834) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.','EPSG','9613','NADCON','EPSG','4269','EPSG','4326',1.0,'EPSG','8657','Latitude difference file','nchpgn.las','EPSG','8658','Longitude difference file','nchpgn.los',NULL,NULL,'OGP-Usa NC',0);
diff --git a/data/sql/helmert_transformation.sql b/data/sql/helmert_transformation.sql
index f77301dac7..6c639465cd 100644
--- a/data/sql/helmert_transformation.sql
+++ b/data/sql/helmert_transformation.sql
@@ -182,7 +182,7 @@ INSERT INTO "helmert_transformation" VALUES('EPSG','1148','Egypt 1907 to WGS 84
 INSERT INTO "usage" VALUES('EPSG','8069','helmert_transformation','EPSG','1148','EPSG','1086','EPSG','1160');
 INSERT INTO "helmert_transformation" VALUES('EPSG','1149','ETRS89 to WGS 84 (1)','ETRS89 and WGS 84 are realizations of ITRS coincident to within 1 metre. This transformation has an accuracy equal to the coincidence figure.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4258','EPSG','4326',1.0,0.0,0.0,0.0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-eur',0);
 INSERT INTO "usage" VALUES('EPSG','8070','helmert_transformation','EPSG','1149','EPSG','1298','EPSG','1159');
-INSERT INTO "helmert_transformation" VALUES('EPSG','1150','GDA94 to WGS 84 (1)','Approximation at the +/- 3m level using inappropriate assumption that GDA94 is equivalent to WGS 84. Accuracy changed from 1m to 3m due to tectonic plate motion over more than 15 years.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4283','EPSG','4326',3.0,0.0,0.0,0.0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-Aus',0);
+INSERT INTO "helmert_transformation" VALUES('EPSG','1150','GDA94 to WGS 84 (1)','Approximation at the 3m level assuming WGS 84 is equivalent to GDA94. Ignores the low accuracy of the WGS 84 ensemble and the inconsistent application of tectonic plate motion to WGS 84 data.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4283','EPSG','4326',3.0,0.0,0.0,0.0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-Aus',0);
 INSERT INTO "usage" VALUES('EPSG','8071','helmert_transformation','EPSG','1150','EPSG','4177','EPSG','1159');
 INSERT INTO "helmert_transformation" VALUES('EPSG','1151','NZGD49 to WGS 84 (1)','Derived at 14 stations. Accuracy 5m, 3m and 5m in X, Y and Z axes.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4272','EPSG','4326',8.0,84.0,-22.0,209.0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'DMA-Nzl',0);
 INSERT INTO "usage" VALUES('EPSG','8072','helmert_transformation','EPSG','1151','EPSG','3285','EPSG','1160');
@@ -804,15 +804,15 @@ INSERT INTO "helmert_transformation" VALUES('EPSG','1663','Monte Mario to ETRS89
 INSERT INTO "usage" VALUES('EPSG','8584','helmert_transformation','EPSG','1663','EPSG','2340','EPSG','1044');
 INSERT INTO "helmert_transformation" VALUES('EPSG','1664','Monte Mario to WGS 84 (3)','Parameter values from Monte Mario to ETRS89 (3) (code 1663). Assumes ETRS89 and WGS 84 can be considered the same to within the accuracy of the transformation.','EPSG','9606','Position Vector transformation (geog2D domain)','EPSG','4265','EPSG','4326',4.0,-50.2,-50.4,84.8,'EPSG','9001',-0.69,-2.012,0.459,'EPSG','9104',-28.08,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-Ita Sic',0);
 INSERT INTO "usage" VALUES('EPSG','8585','helmert_transformation','EPSG','1664','EPSG','2340','EPSG','1044');
-INSERT INTO "helmert_transformation" VALUES('EPSG','1665','AGD66 to WGS 84 (12)','Parameter values from AGD66 to GDA94 (2) (code 1458). Assumes GDA94 and WGS 84 can be considered the same to within the accuracy of the transformation.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4202','EPSG','4326',1.0,-129.193,-41.212,130.73,'EPSG','9001',-0.246,-0.374,-0.329,'EPSG','9104',-2.955,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-ACT 1m',0);
+INSERT INTO "helmert_transformation" VALUES('EPSG','1665','AGD66 to WGS 84 (12)','Parameter values from AGD66 to GDA94 (2) (code 1458). Approximation assuming WGS 84 is equivalent to GDA94; ignores the low accuracy of the WGS 84 ensemble and the inconsistent application of tectonic plate motion to WGS 84 data.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4202','EPSG','4326',3.0,-129.193,-41.212,130.73,'EPSG','9001',-0.246,-0.374,-0.329,'EPSG','9104',-2.955,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-ACT 1m',0);
 INSERT INTO "usage" VALUES('EPSG','8586','helmert_transformation','EPSG','1665','EPSG','2283','EPSG','1252');
-INSERT INTO "helmert_transformation" VALUES('EPSG','1666','AGD66 to WGS 84 (13)','Parameter values from AGD66 to GDA94 (4) (code 1460). Assumes GDA94 and WGS 84 can be considered the same to within the accuracy of the transformation.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4202','EPSG','4326',1.0,-119.353,-48.301,139.484,'EPSG','9001',-0.415,-0.26,-0.437,'EPSG','9104',-0.613,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-NSW Vic 1m',0);
+INSERT INTO "helmert_transformation" VALUES('EPSG','1666','AGD66 to WGS 84 (13)','Parameter values from AGD66 to GDA94 (4) (code 1460). Approximation assuming WGS 84 is equivalent to GDA94; ignores the low accuracy of the WGS 84 ensemble and the inconsistent application of tectonic plate motion to WGS 84 data.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4202','EPSG','4326',3.0,-119.353,-48.301,139.484,'EPSG','9001',-0.415,-0.26,-0.437,'EPSG','9104',-0.613,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-NSW Vic 1m',0);
 INSERT INTO "usage" VALUES('EPSG','8587','helmert_transformation','EPSG','1666','EPSG','2286','EPSG','1252');
-INSERT INTO "helmert_transformation" VALUES('EPSG','1667','AGD66 to WGS 84 (14)','Parameter values from AGD66 to GDA94 (8) (code 1594). Assumes GDA94 and WGS 84 can be considered the same to within the accuracy of the transformation.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4202','EPSG','4326',1.0,-120.271,-64.543,161.632,'EPSG','9001',-0.217,0.067,0.129,'EPSG','9104',2.499,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-Tas 1m',0);
+INSERT INTO "helmert_transformation" VALUES('EPSG','1667','AGD66 to WGS 84 (14)','Parameter values from AGD66 to GDA94 (8) (code 1594). Approximation assuming WGS 84 is equivalent to GDA94; ignores the low accuracy of the WGS 84 ensemble and the inconsistent application of tectonic plate motion to WGS 84 data.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4202','EPSG','4326',3.0,-120.271,-64.543,161.632,'EPSG','9001',-0.217,0.067,0.129,'EPSG','9104',2.499,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-Tas 1m',0);
 INSERT INTO "usage" VALUES('EPSG','8588','helmert_transformation','EPSG','1667','EPSG','1282','EPSG','1252');
-INSERT INTO "helmert_transformation" VALUES('EPSG','1668','AGD66 to WGS 84 (15)','Parameter values from AGD66 to GDA94 (9) (code 1595). Assumes GDA94 and WGS 84 can be considered the same to within the accuracy of the transformation.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4202','EPSG','4326',1.0,-124.133,-42.003,137.4,'EPSG','9001',0.008,-0.557,-0.178,'EPSG','9104',-1.854,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-NT 1m',0);
+INSERT INTO "helmert_transformation" VALUES('EPSG','1668','AGD66 to WGS 84 (15)','Parameter values from AGD66 to GDA94 (9) (code 1595). Approximation assuming WGS 84 is equivalent to GDA94; ignores the low accuracy of the WGS 84 ensemble and the inconsistent application of tectonic plate motion to WGS 84 data.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4202','EPSG','4326',3.0,-124.133,-42.003,137.4,'EPSG','9001',0.008,-0.557,-0.178,'EPSG','9104',-1.854,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-NT 1m',0);
 INSERT INTO "usage" VALUES('EPSG','8589','helmert_transformation','EPSG','1668','EPSG','2284','EPSG','1252');
-INSERT INTO "helmert_transformation" VALUES('EPSG','1669','AGD84 to WGS 84 (7)','Parameter values from AGD84 to GDA94 (2) (code 1280). Assumes GDA94 and WGS 84 can be considered the same to within the accuracy of the transformation. Replaces AGD84 to WGS 84 (2) (code 1236). Note: AGD84 officially adopted only in Qld, SA and WA.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4203','EPSG','4326',1.0,-117.763,-51.51,139.061,'EPSG','9001',-0.292,-0.443,-0.277,'EPSG','9104',-0.191,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-Aus 1m',0);
+INSERT INTO "helmert_transformation" VALUES('EPSG','1669','AGD84 to WGS 84 (7)','Parameter values from AGD84 to GDA94 (2) (code 1280). Approximation assuming WGS 84 is equivalent to GDA94; ignores low accuracy of the WGS 84 ensemble and inconsistent application of tectonic plate motion. Replaces AGD84 to WGS 84 (2) (code 1236).','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4203','EPSG','4326',3.0,-117.763,-51.51,139.061,'EPSG','9001',-0.292,-0.443,-0.277,'EPSG','9104',-0.191,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-Aus 1m',0);
 INSERT INTO "usage" VALUES('EPSG','8590','helmert_transformation','EPSG','1669','EPSG','2576','EPSG','1252');
 INSERT INTO "helmert_transformation" VALUES('EPSG','1671','RGF93 to WGS 84 (1)','Parameter values from RGF93 to ETRS89 (1) (code 1591) assuming that ETRS89 is equivalent to WGS 84 within the accuracy of the transformation.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4171','EPSG','4326',1.0,0.0,0.0,0.0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-Fra',0);
 INSERT INTO "usage" VALUES('EPSG','8592','helmert_transformation','EPSG','1671','EPSG','1096','EPSG','1252');
@@ -2082,8 +2082,8 @@ INSERT INTO "helmert_transformation" VALUES('EPSG','8439','Hong Kong Geodetic CS
 INSERT INTO "usage" VALUES('EPSG','10560','helmert_transformation','EPSG','8439','EPSG','1118','EPSG','1041');
 INSERT INTO "helmert_transformation" VALUES('EPSG','8448','GDA2020 to WGS 84 (G1762) (1)','Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. Parameter values taken from ITRF2014 to GDA2020 (1) (code 8049), assuming WGS 84 (G1762) is equivalent to ITRF2014 within the accuracy of the transformation.','EPSG','1056','Time-dependent Coordinate Frame rotation (geocen)','EPSG','7842','EPSG','7664',0.2,0.0,0.0,0.0,'EPSG','1025',0.0,0.0,0.0,'EPSG','1031',0.0,'EPSG','1028',0.0,0.0,0.0,'EPSG','1027',-1.50379,-1.18346,-1.20716,'EPSG','1032',0.0,'EPSG','1030',2020.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'GA-Aus 0.2m',0);
 INSERT INTO "usage" VALUES('EPSG','10568','helmert_transformation','EPSG','8448','EPSG','4177','EPSG','1027');
-INSERT INTO "helmert_transformation" VALUES('EPSG','8450','GDA2020 to WGS 84 (2)','Approximation at the 3m level assuming WGS 84 is equivalent to ITRF2014 within the accuracy of the transformation. See GDA2020 to WGS 84 (G1762) (1) (code 8448) for a better approximation and ITRF2014 to GDA2020 (1) (code 8049) for actual relationship.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','7844','EPSG','4326',3.0,0.0,0.0,0.0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus 3m',0);
-INSERT INTO "usage" VALUES('EPSG','10569','helmert_transformation','EPSG','8450','EPSG','4177','EPSG','1043');
+INSERT INTO "helmert_transformation" VALUES('EPSG','8450','GDA2020 to WGS 84 (2)','Approximation at the 3m level assuming WGS 84 is equivalent to GDA2020. Ignores the low accuracy of the WGS 84 ensemble and the inconsistent application of tectonic plate motion to WGS 84 data.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','7844','EPSG','4326',3.0,0.0,0.0,0.0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus 3m',0);
+INSERT INTO "usage" VALUES('EPSG','10569','helmert_transformation','EPSG','8450','EPSG','4177','EPSG','1159');
 INSERT INTO "helmert_transformation" VALUES('EPSG','8452','Batavia to WGS 84 (1)','Derived at 5 stations. Note: U.S. DMA TR8350.2 September 1987 gives source CRS as Batavia and area as Sumatra. The Batavia (Genuk) CRS applies to Java and western Sumatra. EPSG presumes this CT applies to both. Sometimes found applied to all Sumatra.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4211','EPSG','4326',6.0,-377.0,681.0,-50.0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'DMA-Idn Sumatra',0);
 INSERT INTO "usage" VALUES('EPSG','10571','helmert_transformation','EPSG','8452','EPSG','1285','EPSG','1160');
 INSERT INTO "helmert_transformation" VALUES('EPSG','8674','La Canoa to PSAD56 (1)','In Venezuela PSAD56 is coincident with La Canoa.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4247','EPSG','4248',0.0,0.0,0.0,0.0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'LAG-Ven E',0);
@@ -2414,6 +2414,16 @@ INSERT INTO "helmert_transformation" VALUES('EPSG','9676','Israel 1993 to WGS 84
 INSERT INTO "usage" VALUES('EPSG','14833','helmert_transformation','EPSG','9676','EPSG','2603','EPSG','1189');
 INSERT INTO "helmert_transformation" VALUES('EPSG','9679','Gulshan 303 to WGS 84 (2)','Derived at origin station in Dhaka.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4682','EPSG','4326',1.0,283.729,735.942,261.143,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'SB-Bgd',0);
 INSERT INTO "usage" VALUES('EPSG','14836','helmert_transformation','EPSG','9679','EPSG','1041','EPSG','1136');
+INSERT INTO "helmert_transformation" VALUES('EPSG','9682','ITRF2014 to GDA94 (1)','Concatenation of ITRF2014 to GDA2020 (1) (CT 8049) and GDA94 to GDA2020 (1) (CT 8048). Scale difference in ppb and rate in ppb/yr where 1/billion = 1E-9 or nm/m. See ITRF2014 to GDA94 (2) (CT 9683) for alternative for Australia with distortion modelling.','EPSG','1056','Time-dependent Coordinate Frame rotation (geocen)','EPSG','7789','EPSG','4938',0.035,-61.55,10.87,40.19,'EPSG','1025',39.4924,32.7221,32.8979,'EPSG','1031',9.994,'EPSG','1028',0.0,0.0,0.0,'EPSG','1027',1.50379,1.18346,1.20716,'EPSG','1032',0.0,'EPSG','1030',2020.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'ICSM-Aus Conf',0);
+INSERT INTO "usage" VALUES('EPSG','14950','helmert_transformation','EPSG','9682','EPSG','4177','EPSG','1108');
+INSERT INTO "helmert_transformation" VALUES('EPSG','9684','ATRF2014 to GDA94 (1)','Concatenation of ATRF2014 to GDA2020 (1) (CT 9459) and GDA94 to GDA2020 (1) (CT 8048). Scale difference in ppb and rate in ppb/yr where 1/billion = 1E-9 or nm/m. See ATRF2014 to GDA94 (2) (CT 9685) for alternative for Australia with distortion modelling.','EPSG','1056','Time-dependent Coordinate Frame rotation (geocen)','EPSG','9307','EPSG','4938',0.035,-61.55,10.87,40.19,'EPSG','1025',39.4924,32.7221,32.8979,'EPSG','1031',9.994,'EPSG','1028',0.0,0.0,0.0,'EPSG','1027',1.50379,1.18346,1.20716,'EPSG','1032',0.0,'EPSG','1030',2020.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'ICSM-Aus Conf',0);
+INSERT INTO "usage" VALUES('EPSG','14952','helmert_transformation','EPSG','9684','EPSG','4177','EPSG','1108');
+INSERT INTO "helmert_transformation" VALUES('EPSG','9686','GDA94 to WGS 84 (G1762) (1)','Concatenation of transformations codes 8048 and 8448 through GDA2020. Scale difference in ppb and rate in ppb/yr where 1/billion = 1E-9 or nm/m. See GDA94 to WGS 84 (G1762) (2) (CT 9687) for alternative for Australia with distortion modelling.','EPSG','1056','Time-dependent Coordinate Frame rotation (geocen)','EPSG','4938','EPSG','7664',0.25,61.55,-10.87,-40.19,'EPSG','1025',-39.4924,-32.7221,-32.8979,'EPSG','1031',-9.994,'EPSG','1028',0.0,0.0,0.0,'EPSG','1027',-1.50379,-1.18346,-1.20716,'EPSG','1032',0.0,'EPSG','1030',2020.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'ICSM-Aus Conf',0);
+INSERT INTO "usage" VALUES('EPSG','14956','helmert_transformation','EPSG','9686','EPSG','4177','EPSG','1108');
+INSERT INTO "helmert_transformation" VALUES('EPSG','9688','GDA94 to WGS 84 (2)','Concatenation of CTs 8048 and 8450 through GDA2020. Scale difference in ppb where 1/billion = 1E-9. See GDA94 to WGS 84 (2) (CT code 9689) for alternative for Australia including distortion model.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4283','EPSG','4326',3.0,61.55,-10.87,-40.19,'EPSG','1025',-39.4924,-32.7221,-32.8979,'EPSG','1031',-9.994,'EPSG','1028',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Aus Conf',0);
+INSERT INTO "usage" VALUES('EPSG','14921','helmert_transformation','EPSG','9688','EPSG','4177','EPSG','1275');
+INSERT INTO "helmert_transformation" VALUES('EPSG','9690','WGS 84 to GDA2020 (3)','Concatenation of CTs 1150 and 8048 through GDA94. Scale difference in ppb where 1/billion = 1E-9. See WGS 84 to GDA2020 (4) (CT code 9691) for alternative for Australia including distortion model.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4326','EPSG','7844',3.0,61.55,-10.87,-40.19,'EPSG','1025',-39.4924,-32.7221,-32.8979,'EPSG','1031',-9.994,'EPSG','1028',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Aus Conf',0);
+INSERT INTO "usage" VALUES('EPSG','14920','helmert_transformation','EPSG','9690','EPSG','4177','EPSG','1276');
 INSERT INTO "helmert_transformation" VALUES('EPSG','10085','Trinidad 1903 to WGS 84 (2)','Parameter values provided to EOG by Trinidad Ministry of Energy and Energy Industries. Used by EOG offshore Trinidad (including Pelican, Kiskadee and Ibis fields) since 1996.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4302','EPSG','4326',3.0,-61.0,285.2,471.6,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EOG-Tto Trin',0);
 INSERT INTO "usage" VALUES('EPSG','11086','helmert_transformation','EPSG','10085','EPSG','1339','EPSG','1136');
 INSERT INTO "helmert_transformation" VALUES('EPSG','10086','JAD69 to WGS 72 (1)','Derived in 1977 through Transit observations at 2 stations by US DMA.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4242','EPSG','4322',15.0,48.0,208.0,382.0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'SD-Jam',0);
@@ -2618,10 +2628,10 @@ INSERT INTO "helmert_transformation" VALUES('EPSG','15784','Le Pouce 1934 to WGS
 INSERT INTO "usage" VALUES('EPSG','11795','helmert_transformation','EPSG','15784','EPSG','3209','EPSG','1042');
 INSERT INTO "helmert_transformation" VALUES('EPSG','15787','IGCB 1955 to WGS 84 (1)','Derived by Topnav in 1991 at station TSH 85.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4701','EPSG','4326',5.0,-79.9,-158.0,-168.9,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'Tot-Cod',0);
 INSERT INTO "usage" VALUES('EPSG','11798','helmert_transformation','EPSG','15787','EPSG','3171','EPSG','1136');
-INSERT INTO "helmert_transformation" VALUES('EPSG','15788','AGD66 to WGS 84 (16)','Parameter values from AGD66 to GDA94 (1) (code 1278). Derived at 162 stations. Assumes GDA94 and WGS 84 can be considered the same to within the accuracy of the transformation.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4202','EPSG','4326',5.0,-127.8,-52.3,152.9,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'OGP-Aus 5m',0);
-INSERT INTO "usage" VALUES('EPSG','11799','helmert_transformation','EPSG','15788','EPSG','2575','EPSG','1045');
-INSERT INTO "helmert_transformation" VALUES('EPSG','15789','AGD84 to WGS 84 (8)','Parameter values from AGD84 to GDA94 (1) (code 1279). Derived at 327 stations. Assumes GDA94 and WGS 84 can be considered the same to within the accuracy of the tfm. AGD84 officially adopted only in Queensland, South Australia and Western Australia.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4203','EPSG','4326',5.0,-128.5,-53.0,153.4,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'OGP-Aus 5m',0);
-INSERT INTO "usage" VALUES('EPSG','11800','helmert_transformation','EPSG','15789','EPSG','2576','EPSG','1045');
+INSERT INTO "helmert_transformation" VALUES('EPSG','15788','AGD66 to WGS 84 (16)','Parameter values from AGD66 to GDA94 (1) (code 1278). Approximation assuming WGS 84 is equivalent to GDA94; ignores the low accuracy of the WGS 84 ensemble and the inconsistent application of tectonic plate motion to WGS 84 data.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4202','EPSG','4326',5.0,-127.8,-52.3,152.9,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'OGP-Aus 5m',0);
+INSERT INTO "usage" VALUES('EPSG','11799','helmert_transformation','EPSG','15788','EPSG','2575','EPSG','1252');
+INSERT INTO "helmert_transformation" VALUES('EPSG','15789','AGD84 to WGS 84 (8)','Parameter values from AGD84 to GDA94 (1) (code 1279). Approximation assuming WGS 84 is equivalent to GDA94; ignores the low accuracy of the WGS 84 ensemble and the inconsistent application of tectonic plate motion to WGS 84 data.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4203','EPSG','4326',5.0,-128.5,-53.0,153.4,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'OGP-Aus 5m',0);
+INSERT INTO "usage" VALUES('EPSG','11800','helmert_transformation','EPSG','15789','EPSG','2576','EPSG','1252');
 INSERT INTO "helmert_transformation" VALUES('EPSG','15790','Mhast (offshore) to WGS 72BE (1)','Derived by Oceaneering for CABGOC in 1979. Mean of parameters derived by single point Transit translocation at 2 stations (Mongo Tando and N''To). Applied to single point Transit translocations at other stations to define Mhast (offshore) coordinates.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4705','EPSG','4324',10.0,-255.0,-29.0,-105.0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'CHV-Ago Cab',0);
 INSERT INTO "usage" VALUES('EPSG','11801','helmert_transformation','EPSG','15790','EPSG','3180','EPSG','1136');
 INSERT INTO "helmert_transformation" VALUES('EPSG','15791','Malongo 1987 to WGS 84 (3)','Derived via WGS 72BE by Geodetic for Chevron in 1987 by single point Transit translocation at 1 station (Malongo Y). Replaced in 1989 by Malongo 1987 to WGS 84 (1) (code 1330).','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4259','EPSG','4326',10.0,-259.99,-5.28,-97.09,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'CHV-Ago Cab87',0);
@@ -2903,10 +2913,10 @@ INSERT INTO "helmert_transformation" VALUES('EPSG','15977','Slovenia 1996 to ETR
 INSERT INTO "usage" VALUES('EPSG','11987','helmert_transformation','EPSG','15977','EPSG','1212','EPSG','1041');
 INSERT INTO "helmert_transformation" VALUES('EPSG','15978','NAD27 to WGS 84 (88)','','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4267','EPSG','4326',1.0,2.478,149.752,197.726,'EPSG','9001',-0.526,-0.498,0.501,'EPSG','9104',0.685,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ONHG-Cub',0);
 INSERT INTO "usage" VALUES('EPSG','11988','helmert_transformation','EPSG','15978','EPSG','1077','EPSG','1041');
-INSERT INTO "helmert_transformation" VALUES('EPSG','15979','AGD66 to GDA94 (12)','Use only offshore: onshore, tfms 1458 (ACT), 1594 (Tas), 1460 (NSW and Vic) and 1595 (NT) are more accurate.May be used as a tfm to WGS 84 - see code 15980.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4202','EPSG','4283',3.0,-117.808,-51.536,137.784,'EPSG','9001',-0.303,-0.446,-0.234,'EPSG','9104',-0.29,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Aus off',0);
+INSERT INTO "helmert_transformation" VALUES('EPSG','15979','AGD66 to GDA94 (12)','Use only offshore: onshore, transformations 1458 (ACT), 1594 (Tas), 1460 (NSW and Vic) and 1595 (NT) are more accurate.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4202','EPSG','4283',3.0,-117.808,-51.536,137.784,'EPSG','9001',-0.303,-0.446,-0.234,'EPSG','9104',-0.29,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Aus off',0);
 INSERT INTO "usage" VALUES('EPSG','14200','helmert_transformation','EPSG','15979','EPSG','3559','EPSG','1043');
-INSERT INTO "helmert_transformation" VALUES('EPSG','15980','AGD66 to WGS 84 (18)','Parameter values from AGD66 to GDA94 (12) (code 15979). Assumes GDA94 and WGS 84 can be considered the same to within the accuracy of the transformation. Use only offshore: onshore tfms 1665-68 for ACT, NSW/Vic, Tas and NT respectively are more accurate.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4202','EPSG','4326',3.0,-117.808,-51.536,137.784,'EPSG','9001',-0.303,-0.446,-0.234,'EPSG','9104',-0.29,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-Aus off',0);
-INSERT INTO "usage" VALUES('EPSG','11990','helmert_transformation','EPSG','15980','EPSG','3559','EPSG','1043');
+INSERT INTO "helmert_transformation" VALUES('EPSG','15980','AGD66 to WGS 84 (18)','Parameter values from AGD66 to GDA94 (12) (code 15979). Assumes WGS 84 is equivalent to GDA94; ignores low accuracy of ensemble and tectonic plate motion. Use only offshore: onshore CTs 1665-68 for ACT, NSW/Vic, Tas and NT respectively are more accurate.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4202','EPSG','4326',3.0,-117.808,-51.536,137.784,'EPSG','9001',-0.303,-0.446,-0.234,'EPSG','9104',-0.29,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-Aus off',0);
+INSERT INTO "usage" VALUES('EPSG','11990','helmert_transformation','EPSG','15980','EPSG','3559','EPSG','1159');
 INSERT INTO "helmert_transformation" VALUES('EPSG','15981','MGI to Slovenia 1996 (1)','Info source also gives a separate reverse tfm with slightly different parameter values. Given the tfm accuracy these differences are not significant and this tfm can be considered reversible. May be taken as approximate tfm MGI to WGS 84 (see code 15982)','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4312','EPSG','4765',1.0,409.545,72.164,486.872,'EPSG','9001',-3.085957,-5.46911,11.020289,'EPSG','9104',17.919665,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'GuRS-Svn',1);
 INSERT INTO "usage" VALUES('EPSG','11991','helmert_transformation','EPSG','15981','EPSG','1212','EPSG','1041');
 INSERT INTO "helmert_transformation" VALUES('EPSG','15982','MGI to WGS 84 (9)','Parameter values from MGI to Slovenia 1996 (1) (code 15981). Assumes Slovenia 1996 and WGS 84 can be considered the same to within the accuracy of the transformation.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4312','EPSG','4326',1.0,409.545,72.164,486.872,'EPSG','9001',-3.085957,-5.46911,11.020289,'EPSG','9104',17.919665,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'OGP-Svn 96',1);
diff --git a/data/sql/metadata.sql b/data/sql/metadata.sql
index fd156845ae..a8985b3353 100644
--- a/data/sql/metadata.sql
+++ b/data/sql/metadata.sql
@@ -9,5 +9,5 @@
 INSERT INTO "metadata" VALUES('DATABASE.LAYOUT.VERSION.MAJOR', 1);
 INSERT INTO "metadata" VALUES('DATABASE.LAYOUT.VERSION.MINOR', 0);
 
-INSERT INTO "metadata" VALUES('EPSG.VERSION', 'v10.011');
-INSERT INTO "metadata" VALUES('EPSG.DATE', '2021-01-14');
+INSERT INTO "metadata" VALUES('EPSG.VERSION', 'v10.012');
+INSERT INTO "metadata" VALUES('EPSG.DATE', '2021-01-18');
diff --git a/data/sql/scope.sql b/data/sql/scope.sql
index bf98f12322..d5263c5eb5 100644
--- a/data/sql/scope.sql
+++ b/data/sql/scope.sql
@@ -249,3 +249,5 @@ INSERT INTO "scope" VALUES('EPSG','1269','Intermediate CRS in transformation to
 INSERT INTO "scope" VALUES('EPSG','1271','Engineering survey and mapping for the Trans-Europe Lyon-Turin (TELT) railway project.',0);
 INSERT INTO "scope" VALUES('EPSG','1273','Transformation of coordinates at 0.03m level of accuracy.',0);
 INSERT INTO "scope" VALUES('EPSG','1274','Spatial referencing including water resource management.',0);
+INSERT INTO "scope" VALUES('EPSG','1275','Alignment of datasets referenced to WGS 84 which have been derived from GDA2020 via the null transformation EPSG::8450 with GDA94 datasets.',0);
+INSERT INTO "scope" VALUES('EPSG','1276','Alignment of datasets referenced to WGS 84 which have been derived from GDA94 via the null transformation EPSG::1150 with GDA2020 datasets.',0);
diff --git a/data/sql/supersession.sql b/data/sql/supersession.sql
index 352920ed1d..76af95a28d 100644
--- a/data/sql/supersession.sql
+++ b/data/sql/supersession.sql
@@ -249,3 +249,4 @@ INSERT INTO "supersession" VALUES('grid_transformation','EPSG','15932','grid_tra
 INSERT INTO "supersession" VALUES('helmert_transformation','EPSG','7675','helmert_transformation','EPSG','9495','EPSG',0);
 INSERT INTO "supersession" VALUES('helmert_transformation','EPSG','7676','helmert_transformation','EPSG','9486','EPSG',1);
 INSERT INTO "supersession" VALUES('helmert_transformation','EPSG','15779','helmert_transformation','EPSG','9679','EPSG',1);
+INSERT INTO "supersession" VALUES('helmert_transformation','EPSG','1458','helmert_transformation','EPSG','5827','EPSG',1);