---
title: "Update an employee's tax parameter (COPY)"
method: PATCH
path: "/employee_tax_params/{employee_id} (COPY)"
---

# Update an employee's tax parameter (COPY)

`PATCH /employee_tax_params/{employee_id} (COPY)`

## Request

- Base URL: `https://sandbox.checkhq.com`
- URL: `https://sandbox.checkhq.com/employee_tax_params/{employee_id} (COPY)`
- Auth: API key in header `Authorization`
- TypeScript: <https://skmtc.dev/checkhq/apis/check-api/docs/employee_tax_params/:employee_id%20(COPY)/patch.ts> (a function with typed inputs; its response is checked against the schema)

Update a list of one or more tax parameters belonging to the employee

## Path parameters

- `employee_id` string, required

## Request body

- object
  - `RAW_BODY` object[]: List of tax param update objects
    - `id` string, required: ID of the tax parameter that will be updated.
    - `applied_for` boolean: (Optional) Indicates whether the setting was marked as applied for.
    - `value` string: (Optional) The value of the setting.
    - `effective_start` string, date: (Optional) Date representing when the supplied value will start being effective.

## Response `200`

200

## Other responses

- `400`: 400

## Changes

- **2026-11-03** `5a54f5eb888b`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/checkhq/apis/check-api/changes/employee_tax_params/:employee_id%20%28COPY%29/patch.md)

---

[API](https://skmtc.dev/checkhq/apis/check-api.md) - [All operations](https://skmtc.dev/checkhq/apis/check-api/llms.txt) - [OpenAPI document](https://skmtc.dev/checkhq/apis/check-api/revisions/5a54f5eb888b?raw)