Dates & deadlines

Key accounting dates and deadlines to remember

Each trading year brings with it a wealth of business opportunities, challenges and successes. Whether you’re new to the business world or a veteran, it’s important to keep key accounting dates in mind for the year ahead, and keep on top of your reporting duties to HMRC.

Here are all the major accounting dates and deadlines that you need to be aware of for the year ahead.

19 April 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 March 2021.

  • Quarterly postal PAYE/class 1 NICs payment

    Q4 (2019/20) PAYE/NIC payment due where paid by cheque. The cheque must be with HMRC by this date in order to avoid automatic interest charge.

  • CIS return

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

22 April 2021

  • Quarterly electronic PAYE/class 1 NICs payment

    Q4 (2019/20) PAYE/NIC payment due in order to avoid an automatic interest charge.

  • 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 April 2021

  • Company accounts filing deadline

    Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends, unless Companies House grants a discretionary three-month extension.

  • Corporation tax return

    Filing deadline for corporation tax return self-assessment form CT600 for period ended 30 April 2020 to be submitted to HMRC.

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