(1) When an insurer makes payment of benefits in a timely fashion it shall file a memorandum of payment on a form prescribed by the Department within 30 calendar days of such insurer's receipt of an employer's first report or an initial written claim for weekly benefits on a form prescribed by the Department, whichever is received first.

(2) When an insurer and an injured employee reach an agreement in accordance with the provisions of MGL c. 152, § 19, a memorandum thereof on a form prescribed by the Department, signed by the parties, shall be filled with the Department within seven days thereof.

(3) Orders, decisions, arbitrator's decisions and agreements for compensation are not divisible and failure to comply with all relevant terms thereof in a timely fashion shall, where applicable, constitute a violation under MGL. c. 152, § 8(1).