Sec. 2. When any compensable injury requires the filing of a first report of injury by an employer, the employer's worker's compensation insurance carrier or the self-insured employer shall forward a copy of the report to the central office of the division of disability and rehabilitative services, rehabilitation services bureau at the earlier of the following occurrences:
(1) When the compensable injury has resulted in temporary total disability of longer than twenty-one (21) days.
(2) When it appears that the compensable injury may be of such a nature as to permanently prevent the injured employee from returning to the injured employee's previous employment.