Tax and business calendar
Details of compliance and regulatory deadlines.
To see expired deadlines, please use the following link: Expired deadlines
03 Mar 2021
Spring Budget 2021
The Spring Budget 2021 will take place on 3 March 2021.
07 Mar 2021
Due date for January VAT returns unless exempted.
14 Mar 2021
EC sales list
Deadline for paper monthly or quarterly return filing.
19 Mar 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.
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
21 Mar 2021
EC sales list
Deadline for online monthly or quarterly return filing.
Due date for payment of supplementary declarations for February 2021.
22 Mar 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 Mar 2021
End of corporation tax financial year.
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.
Company accounts filing deadline
Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.