452 CMR 3.00 is promulgated pursuant to MGL c. 152, § 5, as most recently amended, for the purpose of carrying out the provisions of MGL c. 152. The Workers' Compensation Trust Fund (hereinafter the Fund) established by MGL c. 152, § 65, shall be administered, and compensation paid, in accordance with the rules as herein published or subsequently amended, and with periodic Circular Letters issued by the Department.