Dates and deadlines

Key dates and deadlines to remember

The world is run on deadlines, and tax is no different. Listed below are the key upcoming dates and deadlines for you to note.

07 March 2021

  • VAT return

    Due date for January VAT returns unless exempted.

14 March 2021

  • EC sales list

    Deadline for paper monthly or quarterly return filing.

19 March 2021

  • 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 2021.

  • CIS return

    Construction Industry Scheme: monthly return due for period up to 5th of previous month.

21 March 2021

  • EC sales list

    Deadline for online monthly or quarterly return filing.

  • Intrastat

    Due date for payment of supplementary declarations for February 2021.

22 March 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.

31 March 2021

  • Corporation tax

    End of corporation tax financial year.

  • CT61

    End of CT61 quarterly period.

  • Corporation tax return

    Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 March 2020 to be submitted to HMRC.

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