s 20 Exemptions from section 19 and 19A .
(1) Nothing in section 19, or in regulations under that section, shall be taken to authorise reduction of a jobseeker’s allowance merely because the claimant refuses to seek or accept employment in a situation which is vacant in consequence of a stoppage of work due to a trade dispute. (2) Section 19A does not apply, in the circumstances mentioned in subsection (2)(c) to (g) of that section, if— (a) a direction is in force under section 16 with respect to the claimant; and (b) he has acted in such a way as to risk— (i) having that direction revoked under subsection (3)(b) of section 16; or (ii) having the amount of his jobseeker’s allowance reduced by virtue of section 17, because the condition mentioned in section 17(3)(b) or (c) is satisfied . (3) Regulations shall make provision for the purpose of enabling any person of a prescribed description to accept any employed earner’s employment without falling within section 19(2)(b) or (d) should he leave that employment voluntarily and without good reason at any time during a trial period. (4) In such circumstances as may be prescribed, an income-based jobseeker’s allowance shall be payable in respect of a claimant even though section 19 prevents payment of a jobseeker’s allowance to him. (5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (6) Regulations under subsection (4) may, in particular, provide for a jobseeker’s allowance payable by virtue of that subsection to be— (a) payable at a prescribed rate; (b) payable for a prescribed period (which may differ from the period fixed under section 19(2) or (3)). (7) In subsection (3), “ trial period ” has such meaning as may be prescribed. (8) Regulations may make provision for determining, for the purposes of this section, the day on which a person’s employment is to be regarded as commencing.