Dates and deadlines
Due date for January VAT returns unless exempted. Deadline for paper monthly or quarterly return filing. 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. Deadline for online monthly or quarterly return filing. Due date for payment of supplementary declarations for February 2021. 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. End of corporation tax financial year. End of CT61 quarterly period. Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 March 2020 to be submitted to HMRC.07 March 2021
VAT return
14 March 2021
EC sales list
19 March 2021
Monthly postal PAYE/class 1 NICs/student loan payment
CIS return
21 March 2021
EC sales list
Intrastat
22 March 2021
Monthly electronic PAYE/class 1 NICs/student loan payment
31 March 2021
Corporation tax
CT61
Corporation tax return
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