IABTechLab · sophia-chen-ttd · Sep 16, 2026
diff --git a/docs/endpoints/post-identity-buckets.md b/docs/endpoints/post-identity-buckets.md
@@ -16,7 +16,7 @@ Used by: This endpoint is used mainly by advertisers and data providers. For det
 :::important
 If you're using the latest version (v3) of `POST /v3/identity/map`, you don't need to use `POST /identity/buckets` at all. You only need to use it if you're using the earlier version (v2) of `POST /v2/identity/map`.
 
-If you're using the v2 version, we recommend that you upgrade as soon as possible, to take advantage of improvements. For migration guidance, see [Migration from POST /v2/identity/map](post-identity-map.md#migration-from-post-v2identitymap).
+This endpoint is scheduled for deprecation. If you're using the v2 version, you must upgrade as soon as possible. For migration guidance, see [Migration from POST /v2/identity/map](post-identity-map.md#migration-from-post-v2identitymap). For deprecation information, see [Deprecation schedule: Endpoint versions](../ref-info/deprecation-schedule.md#endpoint-versions).
 :::
 
 ## Request format

diff --git a/docs/endpoints/summary-endpoints.md b/docs/endpoints/summary-endpoints.md
@@ -57,8 +57,8 @@ The following endpoints are part of the earlier identity map integration (versio
 
 | Endpoint | Description | Request encryption | Response decryption |
 | :--- | :--- | :--- | :--- |
-| [POST&nbsp;/identity/buckets](post-identity-buckets.md) | Monitors rotated salt buckets using their last updated timestamp. | Required | Required |
-| [POST&nbsp;/v2/identity/map](post-identity-map-v2.md) | Maps raw UID2s and salt bucket IDs for one or more email addresses, phone numbers, or their respective hashes.  | Required | Required |
+| [POST&nbsp;/identity/buckets](post-identity-buckets.md) (deprecated) | Monitors rotated salt buckets using their last updated timestamp. | Required | Required |
+| [POST&nbsp;/v2/identity/map](post-identity-map-v2.md) (deprecated) | Maps raw UID2s and salt bucket IDs for one or more email addresses, phone numbers, or their respective hashes.  | Required | Required |
 
 ## Opt-out status
 

diff --git a/docs/getting-started/gs-permissions.md b/docs/getting-started/gs-permissions.md
@@ -26,4 +26,4 @@ The following table lists the key permissions, the types of participants that co
 | Generator | Publishers | Permission to call the [POST&nbsp;/token/generate](../endpoints/post-token-generate.md), [POST&nbsp;/token/validate](../endpoints/post-token-validate.md), and [POST&nbsp;/token/refresh](../endpoints/post-token-refresh.md) endpoints, to generate UID2 tokens from <Link href="../ref-info/glossary-uid#gl-dii">DII</Link> and to refresh them, using one of these integration methods:<ul><li>A Prebid integration</li><li>The SDK for JavaScript</li><li>An integration that directly calls the applicable API endpoints for retrieving and managing UID2 tokens</li></ul> |
 | Bidder | DSPs | Permission to decrypt UID2 tokens coming in from the <Link href="../ref-info/glossary-uid#gl-bidstream">bidstream</Link> from publishers into raw UID2s for bidding purposes. |
 | Sharer | Any participant type that takes part in UID2 sharing.<br/>For details, see [UID2 sharing: Overview](../sharing/sharing-overview.md). | Permission to do both of the following:<ul><li>Encrypt raw UID2s into UID2 tokens for sharing with another authorized sharing participant, using a UID2 SDK or Snowflake</li><li>Decrypt UID2 tokens received from another authorized sharing participant into raw UID2s</li></ul> |
-| Mapper | Advertisers<br/>Data Providers | Permission to call the following endpoints to map multiple email addresses, phone numbers, or their respective hashes to their raw UID2s, previous raw UID2s, and refresh timestamps:<ul><li>[POST&nbsp;/v3/identity/map](../endpoints/post-identity-map.md) (latest version)</li><li>The earlier v2 identity mapping endpoints: [POST&nbsp;/v2/identity/map](../endpoints/post-identity-map-v2.md) and [POST&nbsp;/identity/buckets](../endpoints/post-identity-buckets.md)</li></ul> |
+| Mapper | Advertisers<br/>Data Providers | Permission to call the following endpoints to map multiple email addresses, phone numbers, or their respective hashes to their raw UID2s, previous raw UID2s, and refresh timestamps:<ul><li>[POST&nbsp;/v3/identity/map](../endpoints/post-identity-map.md) (latest version)</li><li>The earlier v2 identity mapping endpoints (deprecated): [POST&nbsp;/v2/identity/map](../endpoints/post-identity-map-v2.md) and [POST&nbsp;/identity/buckets](../endpoints/post-identity-buckets.md)</li></ul> |
diff --git a/docs/guides/integration-snowflake.md b/docs/guides/integration-snowflake.md
@@ -53,7 +53,7 @@ The following table shows the differences between the old and new identity mappi
 
 | Function | Version | Return fields | Key differences | Comments |
 | :-- | :-- | :-- | :-- | :-- |
-| `FN_T_IDENTITY_MAP` | Previous | `UID`, `BUCKET_ID`, `UNMAPPED` | Basic identity mapping with salt bucket tracking | Legacy function using salt bucket monitoring for refresh management. For details, see [Snowflake integration guide (pre-July 2025)](integration-snowflake-previous.md).|
+| `FN_T_IDENTITY_MAP` (deprecated) | Previous | `UID`, `BUCKET_ID`, `UNMAPPED` | Basic identity mapping with salt bucket tracking | Legacy function using salt bucket monitoring for refresh management. For details, see [Snowflake integration guide (pre-July 2025)](integration-snowflake-previous.md).|
 | `FN_T_IDENTITY_MAP_V3` | Current | `UID`, `PREV_UID`, `REFRESH_FROM`, `UNMAPPED` | Enhanced with previous UID2 access and refresh timestamps | Returns previous UID2 for 90 days after rotation and uses refresh timestamps instead of salt bucket monitoring. For details, see [Map DII](#map-dii).|
 
 ### Key benefits
@@ -122,12 +122,13 @@ You can map DII to UID2s by using the following function:
 
 - `FN_T_IDENTITY_MAP_V3` (for details, see [Map DII](#map-dii))
 
-The following function is deprecated in favor of `FN_T_IDENTITY_MAP_V3`. You can still use it if you are on the previous Snowflake version (see [Snowflake integration guide (pre-July 2025)](integration-snowflake-previous.md)), but we recommend upgrading as soon as possible:
+The following function and view are used with the previous Snowflake integration version (see [Snowflake integration guide (pre-July 2025)](integration-snowflake-previous.md)):
 
 - `FN_T_IDENTITY_MAP` (deprecated)
+- `SALT_BUCKETS` (deprecated)
 
-:::note
-If you are using the deprecated function, and need help migrating to the newer function, see [Migration guide](#migration-guide).
+:::important
+`FN_T_IDENTITY_MAP` and the `SALT_BUCKETS` view are scheduled for deprecation. If you're using them, you must upgrade to `FN_T_IDENTITY_MAP_V3` as soon as possible. If you need help migrating, see [Migration guide](#migration-guide). For deprecation information, see [Deprecation schedule: Snowflake function versions](../ref-info/deprecation-schedule.md#snowflake-function-versions).
 :::
 
 To identify the UID2s that you must regenerate, monitor the `REFRESH_FROM` timestamps returned by the `FN_T_IDENTITY_MAP_V3` function. For details, see [Monitor raw UID2 refresh and regenerate raw UID2s](#monitor-raw-uid2-refresh-and-regenerate-raw-uid2s).

diff --git a/docs/ref-info/deprecation-schedule.md b/docs/ref-info/deprecation-schedule.md
@@ -87,6 +87,10 @@ The latest ZIP file is linked in the Release Notes column in the following table
 
 ## Endpoint versions
 
+:::important
+After the deprecation date, these endpoints are no longer supported. We reserve the right to disable them at any time after that date; a specific disable date has not yet been determined.
+:::
+
 Version 2 of the `POST /identity/map` endpoint has been superseded by version 3, which includes the additional advantages listed in [Version 3 improvements](../endpoints/post-identity-map.md#version-3-improvements).
 
 With version 3 of the `POST /identity/map` endpoint, the `POST /identity/buckets` endpoint is no longer used at all.
@@ -95,5 +99,20 @@ The following table shows the deprecation schedule for the v2 endpoints.
 
 Endpoint | Deprecation Date | 
 | ------- | ------ |
-| `POST /v2/identity/map` | September 30, 2026 |
-| `POST /v2/identity/buckets` | September 30, 2026 |
+| `POST /v2/identity/map` | December 31, 2026 |
+| `POST /v2/identity/buckets` | December 31, 2026 |
+
+## Snowflake function versions
+
+:::important
+After the deprecation date, this function and view are no longer supported. We reserve the right to disable them at any time after that date; a specific disable date has not yet been determined.
+:::
+
+The `FN_T_IDENTITY_MAP` function has been superseded by `FN_T_IDENTITY_MAP_V3`, which includes the additional advantages listed in [Changes from previous version](../guides/integration-snowflake.md#changes-from-previous-version). With `FN_T_IDENTITY_MAP_V3`, the `SALT_BUCKETS` view is no longer needed for refresh management.
+
+The following table shows the deprecation schedule for the Snowflake functions and views used with the previous identity mapping function.
+
+Function/View | Deprecation Date |
+| ------- | ------ |
+| `FN_T_IDENTITY_MAP` | December 31, 2026 |
+| `SALT_BUCKETS` | December 31, 2026 |