diff --git a/content_schemas/dist/formats/document_collection/publisher_v2/schema.json b/content_schemas/dist/formats/document_collection/publisher_v2/schema.json
index 41b0f11a4..50819144c 100644
--- a/content_schemas/dist/formats/document_collection/publisher_v2/schema.json
+++ b/content_schemas/dist/formats/document_collection/publisher_v2/schema.json
@@ -89,6 +89,11 @@
         "related_policies": {
           "$ref": "#/definitions/guid_list"
         },
+        "taxonomy_topic_email_override": {
+          "description": "The taxonomy topic that email subscriptions for this document collection should go to - only for document collections converted from specialist topics",
+          "$ref": "#/definitions/guid_list",
+          "maxItems": 1
+        },
         "topical_events": {
           "$ref": "#/definitions/guid_list"
         },
diff --git a/content_schemas/formats/document_collection.jsonnet b/content_schemas/formats/document_collection.jsonnet
index 54cb062b8..bc5ed474b 100644
--- a/content_schemas/formats/document_collection.jsonnet
+++ b/content_schemas/formats/document_collection.jsonnet
@@ -69,6 +69,10 @@
   },
   edition_links: (import "shared/whitehall_edition_links.jsonnet") + {
     documents: "",
+    taxonomy_topic_email_override: {
+        description: "The taxonomy topic that email subscriptions for this document collection should go to - only for document collections converted from specialist topics",
+        maxItems: 1
+    },
   },
   links: (import "shared/base_links.jsonnet") + {
     government: {