; or (2) do not otherwise have a license to make transit stops in the United States. (c) Nothing in this section may be construed to limit the authority of the President to restrict stops for non-traffic purposes described in subsection (a), or any transaction incident to such transit stops, on a case-by-case basis, if such restriction is important to the national security of the United States. 119F. (a) Notwithstanding any other transfer restriction in this Act, the Secretary of Transportation may transfer during fiscal year 2018 an amount equal to the amount specified in subsection (c) to any appropriation made available by this Act for the current fiscal year for the Federal Aviation Administration, for any activity or activities funded by that account, from the amount made available for obligation in that fiscal year as discretionary grants-in-aid for airports pursuant to section 47117(f) of title 49, United States Code. (b) An amount transferred under subsection (a)(1) shall— (1) be treated as a reprogramming of funds under section 405 of this Act and shall not be available for obligation unless approval is received from the Committees on Appropriations of the Senate and the House of Representatives