On the CT600 form click into page 2 of the return.
Select the icon to the right of box 155 and select other > accounting period.
You will need to update the dates here and then rerun the tax computation.
On the CT600 form click into page 2 of the return.
Select the icon to the right of box 155 and select other > accounting period.
You will need to update the dates here and then rerun the tax computation.