CT61
End of CT61 quarterly period.
End of CT61 quarterly period.
Filing deadline for corporation tax return self-assessment form CT600 for period ended 30 June 2020 to be submitted to HMRC.
Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.
If paying electronically, pay PAYE, class 1 NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.
Due date for payment of supplementary declarations for May 2021.