The President, if he shall find it compatible with the safety of the United States and with the successful prosecution of the war, may, by proclamation, suspend the provisions of this chapter so far as they apply to an ally of enemy, and he may revoke or renew such suspension from time to time; and the President may grant licenses, special or general, temporary or otherwise, and for such period of time and containing such provisions and conditions as he shall prescribe, to any person or class of persons to do business as provided in subsection (a) of section 4304 of this title, and to perform any act made unlawful without such license in section 4303 of this title, and to file and prosecute applications under subsection (b) of section 4310 of this title; and he may revoke or renew such licenses from time to time, if he shall be of opinion that such grant or revocation or renewal shall be compatible with the safety of the United States and with the successful prosecution of the war; and he may make such rules and regulations, not inconsistent with law, as may be necessary and proper to carry out the provisions of this chapter; and the President may exercise any power or authority conferred by this chapter through such officer or officers as he shall direct.If the President shall have reasonable cause to believe that any act is about to be performed in violation of section 4303 of this title he shall have authority to order the postponement of the performance of such act for a period not exceeding ninety days, pending investigation of the facts by him.

During the time of war, the President may, through any agency that he may designate, and under such rules and regulations as he may prescribe, by means of instructions, licenses, or otherwise—

During the time of war, the President may, through any agency that he may designate, and under such rules and regulations as he may prescribe, by means of instructions, licenses, or otherwise—

(A) investigate, regulate, or prohibit, any transactions in foreign exchange, transfers of credit or payments between, by, through, or to any banking institution, and the importing, exporting, hoarding, melting, or earmarking of gold or silver coin or bullion, currency or securities, and

(B) investigate, regulate, direct and compel, nullify, void, prevent or prohibit, any acquisition holding, withholding, use, transfer, withdrawal, transportation, importation or exportation of, or dealing in, or exercising any right, power, or privilege with respect to, or transactions involving, any property in which any foreign country or a national thereof has any interest,

(2) Any payment, conveyance, transfer, assignment, or delivery of property or interest therein, made to or for the account of the United States, or as otherwise directed, pursuant to this subdivision or any rule, regulation, instruction, or direction issued hereunder shall to the extent thereof be a full acquittance and discharge for all purposes of the obligation of the person making the same; and no person shall be held liable in any court for or in respect to anything done or omitted in good faith in connection with the administration of, or in pursuance of and in reliance on, this subdivision, or any rule, regulation, instruction, or direction issued hereunder.

(3) As used in this subdivision the term “United States” means the United States and any place subject to the jurisdiction thereof: Provided, however, That the foregoing shall not be construed as a limitation upon the power of the President, which is hereby conferred, to prescribe from time to time, definitions, not inconsistent with the purposes of this subdivision, for any or all of the terms used in this subdivision. As used in this subdivision the term “person” means an individual, partnership, association, or corporation.

(4) The authority granted to the President by this section does not include the authority to regulate or prohibit, directly or indirectly, the importation from any country, or the exportation to any country, whether commercial or otherwise, regardless of format or medium of transmission, of any information or informational materials, including but not limited to, publications, films, posters, phonograph records, photographs, microfilms, microfiche, tapes, compact disks, CD ROMs, artworks, and news wire feeds. The exports exempted from regulation or prohibition by this paragraph do not include those which are otherwise controlled for export under section 4604 [1] of this title, or under section 4605  of this title to the extent that such controls promote the nonproliferation or antiterrorism policies of the United States, or with respect to which acts are prohibited by chapter 37 of title 18.

(Oct. 6, 1917, ch. 106, § 5, 40 Stat. 415; Sept. 24, 1918, ch. 176, § 5, 40 Stat. 966; Mar. 9, 1933, ch. 1, § 2, 48 Stat. 1; May 7, 1940, ch. 185, § 1, 54 Stat. 179; Dec. 18, 1941, ch. 593, title III, § 301, 55 Stat. 839; Proc. No. 2695, eff. July 4, 1946, 11 F.R. 7517, 60 Stat. 1352; Pub. L. 95–223, title I, §§ 101(a), 102, 103(b), Dec. 28, 1977, 91 Stat. 1625, 1626; Pub. L. 100–418, title II, § 2502(a)(1), Aug. 23, 1988, 102 Stat. 1371; Pub. L. 103–236, title V, § 525(b)(1), Apr. 30, 1994, 108 Stat. 474.)