6Supplementary provisions relating to complaints
(1)The remedy of a worker in respect of any contravention of section 1(1) or (2) or section 2(1) or 3(4) shall be by way of a complaint under section 5 and not otherwise.
(2)Section 5 shall not affect the jurisdiction of an industrial tribunal to entertain a reference under section 11 of the 1978 Act in relation to any deduction from the wages of a worker, but the aggregate of any amounts ordered by an industrial tribunal to be paid under section 11(8)(b) of that Act and under subsection (4) of section 5 of this Act (whether on the same or different occasions) in respect of a particular deduction shall not exceed the amount of the deduction.
(3)Any provision in an agreement shall be void in so far as it purports to exclude or limit the operation of any provision of this Part, or to preclude any person from presenting a complaint under section 5 ; but this subsection shall not apply to an agreement to refrain from presenting or continuing with a complaint where a conciliation officer has taken action in accordance with section 133(2) or (3) of the 1978 Act.