Dates and Deadlines
Counting the days
Our comprehensive list of important dates and deadlines throughout the tax year can help you keep track of your returns.
With our online tax calendar, you will be able to stay on top of your essential filing dates with HMRC.
14 January 2026
CT61
Return and payment for quarter ended 31 December 2025
19 January 2026
CIS return
Payments made to subcontractors in the month to 5 January 2026
PAYE, NIC and CIS payment (postal)
Quarter-end 5 January 2026
PAYE, NIC and CIS payment (postal)
Month-end 5 January 2026
22 January 2026
PAYE, NIC and CIS payment (electronic)
Quarter-end 5 January 2026
PAYE, NIC and CIS payment (electronic)
Month-end 5 January 2026
30 January 2026
Non-resident landlord scheme
Payment of tax for the quarter ended 31 December 2025
31 January 2026
Plastic Packaging Tax
Return and payment quarter-end 31 December
EFRBS
Report schemes starting in 2024/25
IR35
Amend or correct 2024/25 deemed payment on employer return and pay balance of PAYE/NIC
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