(a) An employee may use work-related accident leave:
(1) beginning on the first day of disability; and
(2) continuing until the earlier of:
(i) the day that the employee is able to return to work, as certified by a physician; or
(ii) 6 months from the day of disability.
(b) After an employee returns to work, work-related accident leave may be granted for continuing treatment as certified by a physician selected by the appointing authority up to 6 months from the day of the original disability.
(c) Work-related accident leave may be granted for up to an additional 6 months if:
(1) the employee is certified by a physician selected or accepted by the appointing authority; and
(2) no decision has been reached by the Workers' Compensation Commission on the employee's claim.