---
title: "Domain TMCH claim notice extensions"
url: "https://help.internetx.com/en/api/core-domain-tmch-claim-notice-extensions/"
lang: "en"
section: "API reference — API reference (XML/JSON)"
breadcrumb: "API documentation (JSON/XML) > Objects"
updated: "2023-09-25"
---

# Domain TMCH claim notice extensions

## Description

Extensions for TMCH (Trade Mark Clearing House).

## Structure

| **Keyword JSON** | **Keyword XML** | **Occurs** | **Type** | **Format** | **Description** |
| --- | --- | --- | --- | --- | --- |
| externalReference | tmch\_claim\_notice\_external\_reference | 0 - 1 | string | Combination of letters and numbers | Trademark Clearinghouse Reference (Only valid for one day). |
| notAfter | tmch\_claim\_validity | 0 - 1 | string | date-time | Day following the expiry date of the claim. |
| confirmed | tmch\_claim\_confirmed | 0 - 1 | string | date-time | Date of confirmation |
| confirmIP | tmch\_claim\_confirm\_ip | 0 - 1 | string |  | The IP over which the confirmation was sent. |