452 CMR 1.00 is promulgated pursuant to MGL c. 152, § 5, for the purposes of carrying out the provisions of MGL c. 152. Except where it would violate justice or equity to do so, 452 CMR 1.00 shall apply to all claims and complaints before the Department of Industrial Accidents, irrespective of the date of injury, except for 452 CMR 1.19(1) through (7), which shall apply only to claims and complaints regarding injuries arising on or after November 1, 1986.