# 2025-02-18: Fee Management - new validation added

## Overview

A validation rule ensures fee data consistency by requiring a `taxCode` when creating or updating fees with `taxable=true`. This enforces the logical dependency between taxation status and tax code identification.

## Updated endpoints

| Endpoint                                                                                                                                        | Description                                                     |
| ----------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------- |
| [Creating fee](https://developer.emporix.io/api-references/api-guides/checkout/fee/api-reference/fee-management)                                | Added validation of `taxCode` fee is marked with `taxable=true` |
| [Retrieving fee by id](https://developer.emporix.io/api-references/api-guides/checkout/fee/api-reference/fee-management#get-fee-tenant-fees-id) | Added validation of `taxCode` fee is marked with `taxable=true` |

## Known problems

There are no known problems.