Follow the steps to easily complete the Aa01 form online.

1. Click ‘Get Form’ button to obtain the form and open it in the editor.
2. Enter your company details. Fill in the mandatory fields, including your company number and the full company name, using typescript or bold black capitals.
3. Provide the date of the accounting reference period. This is the end date for the current or immediately previous accounting period, formatted as day, month, and year.
4. Indicate whether the accounting reference period has been shortened or extended. If it has been shortened, complete the section for 'Date shortened so as to end on' with the appropriate date. If extended, fill in the 'Date extended so as to end on' section.
5. If applicable, answer whether you have extended your accounting reference period more than once in five years. Provide details if you answered ‘Yes’.
6. Sign the form on behalf of the company. Ensure that the signature is from the appropriate person (e.g., Director, Secretary).
7. You may include contact information if desired, but note that it will be visible on the public record. This is helpful if there are any queries regarding the form.
8. Review the checklist included in the form to confirm all necessary sections are completed. Pay special attention to the company name and number matching the public register.
9. Finally, you can either save the changes, download a copy of the filled-out form, print it for your records, or share it as needed.

Complete your Aa01 form online today for a seamless accounting reference date change.