The first installment of compensation shall become due by the fourteenth (14th) day after the employer has been notified, through the designated official or by any other means described in § 702.211 et seq., or has actual knowledge of the injury or death. All compensation due on that fourteenth (14th) day shall be paid then and appropriate compensation due thereafter must be paid in semi-monthly installments, unless the district director determines otherwise.
20 C.F.R. §702.232