CT61
Return and payment for quarter ended 31 March.
Return and payment for quarter ended 31 March.
Midnight deadline to pay any outstanding tax you owe from 2021/22.
Corporation tax payment due for year end 30 April 2023, for those companies not liable to pay their liability by instalments.
Filing deadline for corporation tax return self-assessment form CT600 for period ended 28 February 2023 to be submitted to HMRC.
Due date for December VAT returns unless exempted.