You can change your company's year-end-otherwise known as the accounting reference date (ARD). Changes can be made to your current financial year or the year before.
Your company's financial year can be shortened as many times as you want, with the minimum duration you can shorten it by being one day. You can lengthen your company's financial year by up to 18 months once every five years. If [other conditions apply](https://www.gov.uk/change-your-companys-year-end#:~:text=You can change your company's,the one immediately before it.), such as if your company is in administration, you'll be able to lengthen your financial year more often.
You can change your company’s year-end—otherwise known as the accounting reference date (ARD). Changes can be made to your current financial year or the year before.
Your company’s financial year can be shortened as many times as you want, with the minimum duration you can shorten it by being one day. You can lengthen your company’s financial year by up to 18 months once every five years. If other conditions apply, such as if your company is in administration, you’ll be able to lengthen your financial year more often.
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