Change of accounting reference date - AA01

Form AD01 is the form prescribed by Companies House to use to change the accounting reference date relating to either the current, or the immediately previous, accounting period.

This document is in PDF format and the up to date version of it can be found on the Companies House website by clicking on this link to the relevant page: https://www.gov.uk/government/publications/change-your-company-accounting-reference-date-aa01.