No employer or worker shall exempt himself or herself from the burden or waive the benefits of this title by any contract, agreement, rule or regulation, and any such contract, agreement, rule or regulation shall be pro tanto void.
[ 1977 ex.s. c 350 § 3; 1961 c 23 § 51.04.060. Prior: 1911 c 74 § 11; RRS § 7685.]