> For the complete documentation index, see [llms.txt](https://guides.clickatell.com/release-notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guides.clickatell.com/release-notes/release-notes-archive/2021-release-notes/q4-2021/channel-updates/sms/10-dlc-registration-process-updates.md).

# 10 DLC registration process updates

Release date: 13 October 2021

This release was mainly focused on updating the [10DLC registration process](https://clickatell.gitbook.io/sms-user-guide/10dlc-regulations-us/what-is-10dlc) for US long numbers.