diff --git a/fast/stages/0-bootstrap/README.md b/fast/stages/0-bootstrap/README.md
index c2391013c8..1a9f1bbbd8 100644
--- a/fast/stages/0-bootstrap/README.md
+++ b/fast/stages/0-bootstrap/README.md
@@ -595,7 +595,7 @@ The remaining configuration is manual, as it regards the repositories themselves
 | [iam](variables.tf#L167) | Organization-level custom IAM settings in role => [principal] format. | <code>map&#40;list&#40;string&#41;&#41;</code> |  | <code>&#123;&#125;</code> |  |
 | [iam_bindings_additive](variables.tf#L174) | Organization-level custom additive IAM bindings. Keys are arbitrary. | <code title="map&#40;object&#40;&#123;&#10;  member &#61; string&#10;  role   &#61; string&#10;  condition &#61; optional&#40;object&#40;&#123;&#10;    expression  &#61; string&#10;    title       &#61; string&#10;    description &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#10;&#125;&#41;&#41;">map&#40;object&#40;&#123;&#8230;&#125;&#41;&#41;</code> |  | <code>&#123;&#125;</code> |  |
 | [locations](variables.tf#L189) | Optional locations for GCS, BigQuery, and logging buckets created here. | <code title="object&#40;&#123;&#10;  bq      &#61; optional&#40;string, &#34;EU&#34;&#41;&#10;  gcs     &#61; optional&#40;string, &#34;EU&#34;&#41;&#10;  logging &#61; optional&#40;string, &#34;global&#34;&#41;&#10;  pubsub  &#61; optional&#40;list&#40;string&#41;, &#91;&#93;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |  |
-| [log_sinks](variables.tf#L203) | Org-level log sinks, in name => {type, filter} format. | <code title="map&#40;object&#40;&#123;&#10;  filter &#61; string&#10;  type   &#61; string&#10;&#125;&#41;&#41;">map&#40;object&#40;&#123;&#8230;&#125;&#41;&#41;</code> |  | <code title="&#123;&#10;  audit-logs &#61; &#123;&#10;    filter &#61; &#34;logName:&#92;&#34;&#47;logs&#47;cloudaudit.googleapis.com&#37;2Factivity&#92;&#34; OR logName:&#92;&#34;&#47;logs&#47;cloudaudit.googleapis.com&#37;2Fsystem_event&#92;&#34;&#34;&#10;    type   &#61; &#34;logging&#34;&#10;  &#125;&#10;  vpc-sc &#61; &#123;&#10;    filter &#61; &#34;protoPayload.metadata.&#64;type&#61;&#92;&#34;type.googleapis.com&#47;google.cloud.audit.VpcServiceControlAuditMetadata&#92;&#34;&#34;&#10;    type   &#61; &#34;logging&#34;&#10;  &#125;&#10;  workspace-audit-logs &#61; &#123;&#10;    filter &#61; &#34;logName:&#92;&#34;&#47;logs&#47;cloudaudit.googleapis.com&#37;2Fdata_access&#92;&#34; and protoPayload.serviceName:&#92;&#34;login.googleapis.com&#92;&#34;&#34;&#10;    type   &#61; &#34;logging&#34;&#10;  &#125;&#10;&#125;">&#123;&#8230;&#125;</code> |  |
+| [log_sinks](variables.tf#L203) | Org-level log sinks, in name => {type, filter} format. | <code title="map&#40;object&#40;&#123;&#10;  filter &#61; string&#10;  type   &#61; string&#10;&#125;&#41;&#41;">map&#40;object&#40;&#123;&#8230;&#125;&#41;&#41;</code> |  | <code title="&#123;&#10;  audit-logs &#61; &#123;&#10;    filter &#61; &#34;logName:&#92;&#34;&#47;logs&#47;cloudaudit.googleapis.com&#37;2Factivity&#92;&#34; OR logName:&#92;&#34;&#47;logs&#47;cloudaudit.googleapis.com&#37;2Fsystem_event&#92;&#34; OR protoPayload.metadata.&#64;type&#61;&#92;&#34;type.googleapis.com&#47;google.cloud.audit.TransparencyLog&#92;&#34;&#34;&#10;    type   &#61; &#34;logging&#34;&#10;  &#125;&#10;  vpc-sc &#61; &#123;&#10;    filter &#61; &#34;protoPayload.metadata.&#64;type&#61;&#92;&#34;type.googleapis.com&#47;google.cloud.audit.VpcServiceControlAuditMetadata&#92;&#34;&#34;&#10;    type   &#61; &#34;logging&#34;&#10;  &#125;&#10;  workspace-audit-logs &#61; &#123;&#10;    filter &#61; &#34;logName:&#92;&#34;&#47;logs&#47;cloudaudit.googleapis.com&#37;2Fdata_access&#92;&#34; and protoPayload.serviceName:&#92;&#34;login.googleapis.com&#92;&#34;&#34;&#10;    type   &#61; &#34;logging&#34;&#10;  &#125;&#10;&#125;">&#123;&#8230;&#125;</code> |  |
 | [org_policies_config](variables.tf#L232) | Organization policies customization. | <code title="object&#40;&#123;&#10;  constraints &#61; optional&#40;object&#40;&#123;&#10;    allowed_policy_member_domains &#61; optional&#40;list&#40;string&#41;, &#91;&#93;&#41;&#10;  &#125;&#41;, &#123;&#125;&#41;&#10;  tag_name &#61; optional&#40;string, &#34;org-policies&#34;&#41;&#10;  tag_values &#61; optional&#40;map&#40;object&#40;&#123;&#10;    description &#61; optional&#40;string, &#34;Managed by the Terraform organization module.&#34;&#41;&#10;    iam         &#61; optional&#40;map&#40;list&#40;string&#41;&#41;, &#123;&#125;&#41;&#10;    id          &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;, &#123;&#125;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |  |
 | [outputs_location](variables.tf#L257) | Enable writing provider, tfvars and CI/CD workflow files to local filesystem. Leave null to disable. | <code>string</code> |  | <code>null</code> |  |
 | [project_parent_ids](variables.tf#L272) | Optional parents for projects created here in folders/nnnnnnn format. Null values will use the organization as parent. | <code title="object&#40;&#123;&#10;  automation &#61; string&#10;  billing    &#61; string&#10;  logging    &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  automation &#61; null&#10;  billing    &#61; null&#10;  logging    &#61; null&#10;&#125;">&#123;&#8230;&#125;</code> |  |
diff --git a/fast/stages/0-bootstrap/variables.tf b/fast/stages/0-bootstrap/variables.tf
index 75a43c6012..af171b3417 100644
--- a/fast/stages/0-bootstrap/variables.tf
+++ b/fast/stages/0-bootstrap/variables.tf
@@ -208,7 +208,7 @@ variable "log_sinks" {
   }))
   default = {
     audit-logs = {
-      filter = "logName:\"/logs/cloudaudit.googleapis.com%2Factivity\" OR logName:\"/logs/cloudaudit.googleapis.com%2Fsystem_event\""
+      filter = "logName:\"/logs/cloudaudit.googleapis.com%2Factivity\" OR logName:\"/logs/cloudaudit.googleapis.com%2Fsystem_event\" OR protoPayload.metadata.@type=\"type.googleapis.com/google.cloud.audit.TransparencyLog\""
       type   = "logging"
     }
     vpc-sc = {