Restrictions on contracting out: general
49.—(1) Any provision in any agreement (whether an employee’s contract or not) is void in so far as it purports –
(a)to exclude or limit the operation of any provision of this Part other than a provision of Chapter 8; or
(b)to preclude a person from bringing any proceedings before the Industrial Court, under any provision of this Part other than a provision of that Chapter.
(2) Paragraph (1) does not apply to any agreement to refrain from continuing any proceedings referred to in sub-paragraph (b) of that paragraph made after the proceedings have been instituted.