---
title: "Invalidate a timesheet"
method: POST
path: "/timmi-timesheet/api/timesheets/{id}/invalidate"
tags: ["Workflow"]
---

# Invalidate a timesheet

`POST /timmi-timesheet/api/timesheets/{id}/invalidate`

Invalidate a timesheet with a mandatory comment.

Can only be performed on a timesheet with an `approved` status.

## Request body

- object
  - `comment` string, required — A comment to explain why this timesheet is invalidated.

## Response `200`

OK

- WorkflowItem — A WorkflowItem is an individual workflow action performed by a user. The expectedNextActor object is a User. [See API reference.](reference/Directory-v3.yaml/components/schemas/User)
  - `id` integer — Unique id of the WorkflowItem.
  - `exceptionMessage` string — Any human readable error message.
  - `startsOn` string, date — The Timesheet the WorkflowItem is related on starting date (included).
  - `endsOn` string, date — The Timesheet the WorkflowItem is related on ending date (excluded).
  - `expectedNextActor` object — A Directory 'User'. See API reference for up-to-date attributes.
  - `status` string — - "success" for a succesfull workflow operation. - "error" if any error was met, and therefore an excetion message is set. - "noAction" if the workflow operation was not performed.

## Other responses

- `204` — On non existent timesheet
- `400` — Bad Request

---

[API](https://skmtc.net/luccasoftware/apis/lucca-expenses.md) · [All operations](https://skmtc.net/luccasoftware/apis/lucca-expenses/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/luccasoftware/lucca-expenses/revisions/110f9897756c/schema)