Key Tax Dates per Tax year

April

• 6th – First day of the new Tax Year
• 19th – Final date for sending Full Payment Submissions (FPS) to HMRC.
• 19th – Deadline for postal payment of outstanding PAYE tax and Class 1 NIC for previous tax year
• 22nd – Deadline for electronic payment of outstanding PAYE tax and Class 1 NIC for previous tax year

May

• 31st – P60′s to be issued to employees

July

• 6th – Deadline for submission of Forms P9D and P11D
• 19th – Deadline for postal payment of Class 1A NI due
• 22nd – Deadline for electronic payment of Class 1A NI due
• 31st – Deadline for 2nd payment on account of Income Tax / Class 4 NI

October

• 31st – Deadline for submission of paper Income Tax return

January

• 31st – Deadline for submission of electronic Income Tax return
• 31st – Deadline for Income Tax / Class 4 NI balancing payments for tax year, as well as 1st payments on account for next tax year.
• 31st – Deadline for Capital Gains Tax payment.

April

• 5th – Last day of Tax Year.