MTD ITSA: Scheduled maintenance on Friday 12 September - Tuesday 16 September 2025.

Scheduled for Sep 12, 17:00 BST - Sep 16, 13:00 BST

Scheduled

The following service(s) will be unavailable due to scheduled maintenance:

MTD ITSA: 17:00 on Friday 12th September - 13:00 on Tuesday 16th September 2025.

We apologise for any inconvenience this may cause.

This and other planned maintenance and upgrade activities are shown on HMRC's service availability and issues page on GOV.UK: https://www.gov.uk/government/collections/hm-revenue-and-customs-service-availability-and-issues

Posted Aug 14, 2025 - 09:33 BST

This scheduled maintenance affects: Production environment.