20 CFR § 702.235 - Report by employer of final payment of compensation.
(a) Within 16 days after the final payment of compensation has been made, the employer, the insurance carrier, or where the employer is self-insured, the employer shall notify the district director on a form prescribed by the Secretary, stating that such final payment has been made, the total amount of compensation paid, the name and address of the person(s) to whom payments were made, the date of the injury or death and the name of the injured or deceased employee, and the inclusive dates during which compensation was paid.
(b) A “final payment of compensation” for the purpose of applying the penalty provision of § 702.236 shall be deemed any one of the following:
(1) The last payment of compensation made in accordance with a compensation order awarding disability or death benefits, issued by either a district director or an administrative law judge;
(3) The last payment made pursuant to an agreement reached by the parties through informal proceedings;
(4) Any other payment of compensation which anticipates no further payments under the Act.