Modern accounting
Dates & deadlines
Tax and business calendar
Details of compliance and regulatory deadlines.
19 May 2026
CIS return
Payments made to subcontractors in the month to 5 May 2026
PAYE, NIC and CIS payment (postal)
Month-end 5 May 2026
22 May 2026
PAYE, NIC and CIS payment (electronic)
Month-end 5 May 2026
31 May 2026
P60
Issue to employees
VAT annual accounting
31 March stagger VAT return and balancing payment
Corporation Tax returns
31 May 2025 year ends
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