3 – Last day for car change notifications in the quarter to 5 April – Use P46 Car
7 – VAT return for March due (electronic)
19 – Deadline for Employers’ end of year PAYE Returns (P35, P14, P38 & P38A). Penalties for non submission.
19/22 – PAYE/NIC and CIS deductions due for month to 5th May
31 – Deadline for copies of P60 to be issued to employees for tax year to 5th April
31 – Corporation tax return deadline for period ended 31st May last year
31 – Accounts filing deadline for limited companies with a 31st August period end