diff --git a/schemas/document_types/document_types.yaml b/schemas/document_types/document_types.yaml
index 19507f0f..a2aa8dda 100644
--- a/schemas/document_types/document_types.yaml
+++ b/schemas/document_types/document_types.yaml
@@ -24,4 +24,9 @@ enum:
   - professional_qualification_card
   - consular_id
   - international_driving_licence
+  - home_office_letter
+  - birth_certificate
+  - vehicle_registration_certificate
+  - form_for_affixing_the_visa
+  - identification_number_document
 type: string
diff --git a/schemas/documents/definitions.yaml b/schemas/documents/definitions.yaml
index 3300c159..dff3a25e 100644
--- a/schemas/documents/definitions.yaml
+++ b/schemas/documents/definitions.yaml
@@ -12,6 +12,8 @@ document_shared:
     type:
       type: string
       description: The type of document
+      allOf:
+        - $ref: ../document_types/document_types.yaml
     side:
       type: string
       enum: