Key Dates: March 2022 1 MarchNew Advisory Fuel Rates (AFR) applies for company car users. 7 MarchVAT returns and payments due for Accounting Quarter period ending 31 January. 22 MarchDeadline for electronic remittance of PAYE, NICs and CIS to HMRC. 31 March Deadline for filing of accounts with Companies House for accounting periods ended 31 March 2021. Business rates relief reduction ends. VAT relief for the UK’s tourism and hospitality sector ends.