Change Dates - MTD Quarterly Reporting

I have tried to change the dates for reporting to 01/04/26 - 30/06/26

I get this error when I try to submit. Can anyone help with this please?

HMRC Gateway Error: (RULE_START_DATE_NOT_ALIGNED_WITH_REPORTING_TYPE)

Hello @angie8406

You must file for the dates that HMRC show.

Currently in your Workflow > Options > Business Settings is set to Accounting period: 06/04/2026 - 05/04/2027

If you wish to use calendar months you can use this option in the same screen