MTD ITSA: Scheduled maintenance on Friday 11th September 2026 5pm - Tuesday 15th September 2026 1pm

Scheduled for Sep 11, 17:00 BST - Sep 15, 13:00 BST

Scheduled

Due to scheduled maintenance the following service will be unavailable:
MTD ITSA: 17:00 on Friday 11th September - 13:00 on Tuesday 15th September 2026.

We apologise for any inconvenience this may cause.

Please refer to GOV.UK: https://www.gov.uk/government/publications/use-software-to-send-income-tax-updates-service-availability-and-issues/use-software-to-send-income-tax-updates-service-availability-and-issues

Posted Aug 20, 2026 - 14:17 BST

This scheduled maintenance affects: Production environment.