20 C.F.R. § 30.800
Years of wage-loss occurring prior to normal retirement age that are the result of a covered illness contracted by a covered Part E employee through work-related exposure to a toxic substance at a Department of Energy facility or a RECA section 5 facility, as appropriate, may be compensable under Part E of the Act. Whether years of wage-loss are compensable depends on determinations with respect to:
[71 FR 78534, Dec. 29, 2006, as amended at 84 FR 3059, Feb. 8, 2019]