# Relink Card Contract to Another Account Contract
source: https://developer.mastercard.com/mastercard-processing-core/documentation/sandbox-testing/data-management/relink-card-con-to-acct-con/index.md

## Test case -- Success {#test-case--success}

This test case describes relinking a specified card contract to a different account contract in the CMS.

**Sample request**

`PUT /cards/70001/main-contract`

```JSON
{
  "accountContractId": 60001
}
```

**Sample response**

`204`