The Income Tax (Pay As You Earn) Regulations 2003

Non-cumulative basis: general rule for deductions

27.—(1) On making a relevant payment, the employer must deduct the amount of tax which would have been deductible in accordance with the appropriate tax tables, by reference to the employee’s code, if the payment had been made on the first day of the tax year.

(2) This is subject to—

regulation 28modification of general rule
regulation 29aggregation of payments.