excluded from the requirement to prepare an environmental assessment or an environmental impact statement under the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq.). (k) Additional authority The conveyance authority provided by this section is in addition to the sale authority provided by section 203 of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1713 ) or any other provision of law.