Dates and deadlines
Never miss a deadline again
Run your business with calm and confidence, with our list of the most important dates and deadlines to fall back on.
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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