; and (B) by adding at the end the following: (2) Authority to limit exportation of natural gas (A) Major disaster or emergency in United States If the President declares a major disaster or emergency under the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5121 et seq.), the President may limit the volume of natural gas exported from the United States during the 90-day period beginning on the date on which the President declares the major disaster or emergency. (B) National emergency under International Emergency Economic Powers Act If the President declares a national emergency under section 202 of the International Emergency Economic Powers Act ( 50 U.S.C. 1701 ) with respect to a country, the President may limit the volume of natural gas exported from the United States to that country. (3) Prohibitions (A) Prohibition on restricting natural gas importation or exportation Except as provided in paragraphs (1) and (2) or in any Federal authorization to export natural gas from the United States to a foreign country or to import natural gas into the United States from a foreign country in effect on the date of enactment of the LNG Now Act of 2017 , to promote the efficient exploration, production, storage, supply, marketing, pricing, and regulation of energy resources, including fossil fuels, no employee of the Federal Government shall impose or enforce any restriction or condition on— (i) the exportation of natural gas from the United States to a foreign country