Dates and deadlines
21 February 2023
Due date for payment of supplementary declarations for January 2023.
22 February 2023
Monthly electronic PAYE/class 1 NICs/student loan payment
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.
28 February 2023
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 28 February 2022 to be submitted to HMRC.
Company accounts filing deadline
Deadline for filing your annual accounts is 9 months after your company’s financial year ends.
01 March 2023
Corporation tax payment
Corporation tax payment due for year end 31 May 2022, for those companies not liable to pay their liability by instalments.
Advisory fuel rates
New fuel rates come into force.
07 March 2023
Due date for January VAT returns unless exempted.
19 March 2023
Monthly postal PAYE/class 1 NICs/student loan payment
If you pay by cheque through the post, monthly payments due for PAYE, class 1 NICs and student loan deductions from February 2023.
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
21 March 2023
Due date for payment of supplementary declarations for February 2023.
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