MTD ITSA: Scheduled maintenance on Friday 11th September 2026 5pm - Tuesday 15th September 2026 1pm
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: Making Tax Digital for Income Tax — service availability and issues - GOV.UK