Sch 3A Pt II para 5
A disabled person to whom this paragraph applies may present a complaint to an industrial tribunal that a term or rule is void by virtue of paragraph 4 if he has reason to believe – (a) that the term or rule may at some future time have effect in relation to him; and (b) where he alleges that it is void by virtue of paragraph 4(2)(c), that – (i) an act for the doing of which it provides, may at some such time be done in relation to him, and (ii) the act would be unlawful by virtue of this Part of this Act if done in relation to him in present circumstances.