Key Dates

5th April
End of the tax year

31st May
Last date for forms P60 to be sent to employees for the tax year

6th July
Last date for forms P11D and P9D to be sent to the HMRC and employees for tax year

Last date for return of Class 1A NICs for tax year

19th July
Last date for payment of Class 1A NICs for tax year

31st July
Due date for second instalment of personal tax for tax year

30th Sep
Last date for submission of self-assessment personal tax returns to HMRC where individuals wish for HMRC to calculate their tax and possibly code-out any underpayments

5th Oct
Deadline for notifying HMRC of liability to personal tax where no tax return has been issued for tax year

31st January

Last date for submission of online self-assessment personal tax returns to HMRC to avoid late filing penalty

Due date for personal tax balancing payment for tax year and first instalment for the following tax year