(a) If the claim is for disability benefits and the time of injury occurs after the employee has retired, compensation shall be 66 2/3 percent of the payrate, as determined under § 702.603, times the disability, as determined according to § 702.601(b).

(b) If the claim is for death benefits and the time of injury occurs after the decedent has retired, compensation shall be the percent specified in section 9 of the Act, 33 U.S.C. 909,times.603. Total weekly death benefits shall not exceed one fifty-second part of the decedent's average annual earnings during the fifty-two week period preceding retirement, such benefits shall be subject to the limitation provided for in section 6(b)(1) of the Act, 33 U.S.C. 906(b)(1).