Dates and deadlines

Avoid the panic of short deadlines or, worse, missed ones with our calendar of key events in the accounting year, including upcoming changes to legislation and cutoff dates for tax return submissions. From corporation tax to VAT, we’ve got all the milestones covered, to bring peace of mind by heading off investigations and fines. We’ll also send these by email if you’re subscribed to our fortnightly newsletter.

21 January 2021

  • EC sales list (online)

    Online deadline to report the value of goods and services supplied to VAT-registered businesses in EU member states.

  • Intrastat

    Due date for payment of supplementary declarations for December 2020.

22 January 2021

  • Employers’ monthly PAYE (online)

    Monthly deadline for electronic payments of PAYE, Class 1 NICs and student loan deductions from December 2020.

  • Employers’ quarterly PAYE (online)

    Quarterly deadline for electronic payments of PAYE, Class 1 NICs and student loan deductions from Q3 2020/21.

  • CIS return (online)

    Monthly CIS deadline for online returns following the last month.

31 January 2021

  • Balancing payment

    Midnight deadline to pay any outstanding tax you owe from 2018/19.

  • First payment on account

    Midnight deadline to pay half of any tax owed for 2019/20. Because of COVID-19, it’s possible to defer this until 31 January 2022.

  • Corporation tax return

    Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 January 2020.

  • Company accounts filing deadline

    Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.

  • Personal tax returns (online)

    Midnight deadline to submit online tax returns for 2019/20 through self-assessment.

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