Any contract or agreement whether made before or after the commencement
of this Act, whereby a 1[employee] relinquishes any right of compensation from the employer for personal
injury arising out of or in the course of the employment, shall be null and void in so far as it purports to
remove or reduce the liability of any person to pay compensation under this Act.
1. Subs. by s. 5, ibid., for "workman" (w.e.f. 18-1-2010).