Except as otherwise provided in this subsection, the provisions of titles I and II of the Act entitled “An Act to provide benefits for the injury, disability, death, or enemy detention of employees of contractors with the United States, and for other purposes”, approved
December 2, 1942, as amended [
42 U.S.C. 1701 et seq., 1711 et seq.], are extended and shall apply with respect to the injury, disability, or death resulting from injury of a civilian American citizen occurring while he was held by or in hiding from the Imperial Japanese Government, to the same extent as if such civilian American citizen were an employee within the purview of such Act of
December 2, 1942, as amended.