Section 347 | Payments made after leaving the employment
From legislation.gov.uk
(1)A deduction for a payment is not allowed under section 346 if—
(a)the employee has ceased to hold the employment, and
(b)the payment is made after the day on which the employee ceased to hold the employment.
(2)If subsection (1) applies, see section 555 (former employee entitled to deduction in calculating net income).F1