24. A bonus calculated by reference to earnings payable during periods of entitlement to income support and to a jobseeker’s allowance shall be treated as payable—
(a)wholly by way of a jobseeker’s allowance, where the qualifying benefit last in payment in the bonus period was a jobseeker’s allowance; or
(b)wholly by way of income support, where the qualifying benefit last in payment in the bonus period was income support.