Editing Periods of Account

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  • You can edit both Periods of Account (POAs) and Accounting Periods (APs).

  • It is possible to edit periods at any point during tax return preparation, before sign-off and submission to HMRC.

    • There are certain conditions which apply to changing periods.

    • Some data is mandatory (warnings are displayed).

    • Some data may be lost (warnings are displayed)

Editing periods of account

  1. Selected and open the client you wish to edit.

  2. Click the Tax Returns tab.

  3. Click the Edit POA link alongside the POA you wish to Edit.


Edit POA allows you to:
  • Change Period of Account dates

    • It will only be possible to change the POA start and end date where the dates entered do not straddle start and end dates of preceding or subsequent periods already created .

  • Change Accounting Period dates

    • You cannot have 3 trading APs in one POA

    • If the AP date changes create 3 APs, you cannot progress until you create or amend a trade providing a trade a start or end date to produce only 2 trading APs.


  1. In the 'Edit period of account' window, edit the dates as required.

  2. If your revised POA start or end dates create 3 trading APs, see Editing Accounting periods

  3. If only 2 trading APs exist, you can proceed.

  4. Click OK, then click on the POA link to proceed with data entry.


Actions can be cancelled at any time by clicking the 'Cancel' button in the relevant screen




Validations are in place to make sure the period dates are acceptable.

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CCH Corporation Tax




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