---
title: "Changes to Instructs Home Office downstream systems. Note: Use of the term 'instruct' avoids any confusion with existing business terms, such as 'notification' and 'direction', which are not overly descriptive to the Home Office."
method: POST
path: "/applicationInstruct/setInstruct"
---

# Changes to Instructs Home Office downstream systems. Note: Use of the term 'instruct' avoids any confusion with existing business terms, such as 'notification' and 'direction', which are not overly descriptive to the Home Office.

`POST /applicationInstruct/setInstruct`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 16 revisions.

- **2026-06-29** `227b8cd41bd6`: 1 info
- **2026-03-26** `294294b97455`: 1 breaking, 1 info
- **2026-03-26** `9750f2217ddd`: 1 breaking, 1 info
- **2026-03-26** `3389bb785ab9`: 1 info

## Changes

- **2026-06-29** `227b8cd41bd6`: 1 info
  - added the new `APPEAL_REQUESTED` enum value to the request property `messageType`
- **2026-03-26** `294294b97455`: 1 breaking, 1 info
  - added the pattern `^(?:\d{4}-\d{2}-\d{2}|\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(?:\.\d+)?Z)$` to the request property `challenge/challengeSubmissionDate`
  - the `challenge/challengeSubmissionDate` request property format was generalized from `date-time` to no format
- **2026-03-26** `9750f2217ddd`: 1 breaking, 1 info
  - added the pattern `^(?:\d{4}-\d{2}-\d{2}|\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(?:\.\d+)?Z)$` to the request property `deadlineDate`
  - the `deadlineDate` request property format was generalized from `date-time` to no format
- **2026-03-26** `3389bb785ab9`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/hm-courts-and-tribunals-service/apis/appeals-interface/docs/applicationInstruct/setInstruct/post.md) - [API](https://skmtc.dev/hm-courts-and-tribunals-service/apis/appeals-interface.md) - [Page](https://skmtc.dev/hm-courts-and-tribunals-service/apis/appeals-interface/changes/applicationInstruct/setInstruct/post)