31st January

Tax Return filing deadline
Balance of tax for previous year due for payment
1st instalment of tax for the current year due for payment

5th April

End of tax year

19th April

PAYE and NI payments to reach HM Revenue and Customs (including amounts due on deemed payments under IR35)

19th May

Forms P35 and P14 (end of year salary forms) to reach HM Revenue and Customs

31st May

P60's to given to employees

6th July

P11d's to be sent to HM Revenue and Customs and copies given to relevant employees

19th July

Payment date for Class 1a NI in respect of the previous tax year. Please ensure that the form P11d(b) has also been completed and submitted to HM Revenue and Customs.

31st July

2nd instalment of tax due for payment

30th September

Child Tax Credit renewal forms