April
14 – due date for income tax for the CT61 period to 31 March 2016.
19/22 – Quarter 4 2015/16 PAYE remittance due.
30 – Normal annual adjustment for VAT partial exemption calculations (monthly returns).
May
1 – start of daily penalties for 2015 online Tax Return not yet filed. Additional penalties may apply for further delay.
3 – submission date of P46 (Car) for quarter to 5 April.
31 – last day to issue 2015/16 P60s to employees.