# Update card authorization policy version

**PATCH** `/issuing/card-authorization-policy-versions/{card_authorization_policy_version_id}`

Update a specific card authorization policy version.

### Path Parameters

- `card_authorization_policy_version_id` `string` _(required)_ — Unique identifier for the card authorization policy version.

### Body Parameters

- `effective_on` `date-time` — When this policy version becomes effective, as an RFC 3339 timestamp. Offsets are converted to UTC and fractional seconds are dropped.

**Request**

```shell
curl 'https://api.column.com/issuing/card-authorization-policy-versions/<card_authorization_policy_version_id>' \
  -XPATCH \
  -u :<YOUR API KEY> \
  -H 'Content-Type: application/json' \
  -d '{
  "effective_on": "2024-01-15T09:30:00Z"
}'
```

**Response 200**

```json
{
  "card_authorization_policy_id": "caup_2x8gszy5folpA9s0TOCseE9ABDM",
  "created_at": "2024-01-15T09:30:00Z",
  "effective_on": "2024-01-15T09:30:00Z",
  "id": "cauv_2x8gszy5folpA9s0TOCseE9ABDM",
  "scope": "card_program"
}
```