Dates and deadlines.
30 November 2021
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 30 November 2020 to be submitted to HMRC.
01 December 2021
Advisory fuel rates
New fuel rates come into force.
Corporation tax payment
Corporation tax payment due for year end 28 February 2021, for those companies not liable to pay their liability by instalments.
07 December 2021
Due date for October VAT returns, unless exempted.
19 December 2021
Monthly postal PAYE/class 1 NICs/student loan payment
If you pay by cheque through the post, pay PAYE, class 1 NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
21 December 2021
Due date for payment of supplementary declarations for November 2021.
22 December 2021
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.
30 December 2021
Online self-assessment (PAYE)
Deadline for online submission of self-assessment tax returns for tax year ended 5 April 2020 for HMRC to collect tax through PAYE codes, where they owe less than £3,000.
31 December 2021
End of CT61 quarterly period.
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