Authority to commute payments to aliens and nonnationals who are not residents of the United States and Canada, section 2(b) of the Defense Base Act, 42 U.S.C. § 1652(b), though separately stated in this Act, is identical in language to section 9(g) of the Longshoremen’s Act. Thus, except for the different statutory citation, the LHWCA regulation at § 702.142 of this subchapter shall apply.