Change your company accounting reference date (AA01c)
Use this form to change an accounting reference date relating to either the current or immediately previous accounting period.
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You may file this form if you have chosen to state that your registered office address is situated in Wales as opposed to England and Wales.
This form can be used to change an accounting reference date. It must be received within the period allowed for laying and delivering the accounts for the current of the immediately previous accounting reference period.
It is easier and quicker to file your AA01c online.
We’ve stopped sending paper letters to confirm when your accounting reference date has changed. You can search for your company to check your new accounting reference date.
Last updated 23 March 2022 + show all updates
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We've stopped sending paper letters to confirm when your accounting reference date has changed.
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We’re stopping sending paper letters to confirm when your accounting reference date has changed. You can check your new accounting reference date by searching for your company on our Find and update company information service.
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Form updated following end of Brexit transition.
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Online filing option added
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Added translation