For termination of amendment by section 501(c) of Pub. L. 100–449, see Effective and Termination Dates of 1988 Amendment note below.

This chapter, referred to in subsecs. (c), (g) to (i), (m) to (p), and (s), was in the original “this Act”, meaning act Aug. 1, 1946, ch. 724, as added by act Aug. 30, 1954, ch. 1073, § 1, 68 Stat. 919, known as the Atomic Energy Act of 1954, which is classified principally to this chapter. For complete classification of this Act to the Code, see Short Title note set out under section 2011 of this title and Tables.

Section 2297c–2 of this title, referred to in subsec. (v), was repealed by Pub. L. 104–134, title III, § 3116(a)(1), Apr. 26, 1996, 110 Stat. 1321–349.

In subsec. (d), “chapter 51 and subchapter III of chapter 53 of title 5” and “such provisions” substituted for “the Classification Act of 1949, as amended” and “such Act”, respectively, on authority of Pub. L. 89–554, § 7(b), Sept. 6, 1966, 80 Stat. 631, the first section of which enacted Title 5, Government Organization and Employees.

In subsec. (j), “chapters 1 to 11 (except section 559) of title 40 and division C (except sections 3302, 3307(e), 3501(b), 3509, 3906, 4710, and 4711) of subtitle I of title 41” substituted for “the Federal Property and Administrative Services Act of 1949, as amended, except section 207 of that Act” on authority of Pub. L. 107–217, § 5(c), Aug. 21, 2002, 116 Stat. 1303, which Act enacted Title 40, Public Buildings, Property, and Works, and Pub. L. 111–350, § 6(c), Jan. 4, 2011, 124 Stat. 3854, which Act enacted Title 41, Public Contracts.

In subsec. (x)(2)(B), “November 8, 1978” was in the original “the date of the enactment of this section”, which has been translated as the date of the enactment of this subsection to reflect the probable intent of Congress.

Provisions similar to this section were contained in section 1812(a) of this title, prior to the general amendment and renumbering of act Aug. 1, 1946, by act Aug. 30, 1954.

2022—Subsec. (n). Pub. L. 117–263 substituted “section 2077a of this title” for “section 2077a(i) of this title”.

2018—Subsec. (n). Pub. L. 115–232 substituted “2077(b) (with respect to enrichment and reprocessing of special nuclear material or with respect to transfers to any covered foreign country (as defined in section 2077a(i) of this title)),” for “2077(b),”.

2005—Subsec. (i)(4). Pub. L. 109–58, § 626, added cl. (4).

Subsec. (w). Pub. L. 109–58, § 623, substituted “to the Commission for, or is issued by the Commission, a license or certificate” for “for or is issued a license for a utilization facility designed to produce electrical or heat energy pursuant to section 2133 or 2134(b) of this title, or which operates any facility regulated or certified under section 2297f or 2297f–1 of this title” and “section 9701” for “section 483a” and struck out “, of applicants for, or holders of, such licenses or certificates” before period at end.

1992—Subsec. (v). Pub. L. 102–486, § 902(a)(4), amended subsec. (v) generally, substituting provisions relating to duty to provide services in support of United States Energy Enrichment Corporation for provisions relating to duty to enter into contracts for production or enrichment of special nuclear material.

Subsec. (w). Pub. L. 102–486, § 902(a)(5), inserted “or which operates any facility regulated or certified under section 2297f or 2297f–1 of this title,” after “2134(b) of this title,” and “or certificates” after “holders of, such licenses”.

1990—Subsec. (b). Pub. L. 101–575, which directed amendment of subsec. (b) by striking the period at the end and inserting “; in addition, the Commission shall prescribe such regulations or orders as may be necessary or desirable to promote the Nation’s common defense and security with regard to control, ownership, or possession of any equipment or device, or important component part especially designed for such equipment or device, capable of separating the isotopes of uranium or enriching uranium in the isotope 235;”, was executed by striking the semicolon at end of subsec. (b) and making insertion to reflect probable intent of Congress.

1988—Subsec. (v). Pub. L. 100–449 temporarily inserted in closing provisions “For purposes of this subsection and of section 305 of Public Law 99–591 (100 Stat. 3341–209, 210), ‘foreign origin’ excludes source or special nuclear material originating in Canada.” See Effective and Termination Dates of 1988 Amendment note below.

1986—Subsec. (k). Pub. L. 99–661 inserted “and subcontractors (at any tier)” after “employees of its contractors”, substituted “under the jurisdiction of the United States” for “owned by the United States and”, inserted “or being transported to or from such facilities” after “contracted to the United States”, inserted after third sentence “An employee of a contractor or subcontractor authorized to carry firearms under this subsection may make such arrests only when the individual to be arrested is within, or in direct flight from, the area of such offense.”, and inserted before the semicolon at end “. The Secretary, with the approval of the Attorney General, shall issue guidelines to implement this subsection”.

1981—Subsec. (k). Pub. L. 97–90 inserted provision that a person authorized to carry firearms under this subsection may, while in the performance of, and in connection with, official duties, make arrests without warrant for any offense against the United States committed in that person’s presence or for any felony cognizable under the laws of the United States if that person has reasonable grounds to believe that the individual to be arrested has committed or is committing such felony, that a person granted authority to make arrests by this subsection may exercise that authority only in the enforcement of (1) laws regarding the property of the United States in the custody of the Department of Energy, the Nuclear Regulatory Commission, or a contractor of the Department of Energy or Nuclear Regulatory Commission, or (2) any provision of this chapter that may subject an offender to a fine, imprisonment, or both, and that the arrest authority conferred by this subsection is in addition to any arrest authority under other laws.

1978—Subsec. (x). Pub. L. 95–604 added subsec. (x).

1974—Subsec. (i). Pub. L. 93–377 inserted provision in cl. (2) relating to regulations or orders designating activities, involving quantities of special nuclear material important to the common defense and security, that may be conducted by persons whose character, etc., have been established so that if they are permitted to conduct such activities it would not be inimical to the common defense and security.

1972—Subsec. (w). Pub. L. 92–314 added subsec. (w).

1970—Subsec. (c). Pub. L. 91–452 struck out provisions that no person be excused from complying with any requirements under this paragraph because of his privilege against self-incrimination, but that the immunity provisions of the Compulsory Testimony Act of Feb. 11, 1893, apply with respect to any individual who specifically claims such privilege.

Subsec. (n). Pub. L. 91–560, § 7, struck out references to section 2132 of this title and the finding of practical value.

Subsec. (v). Pub. L. 91–560, § 8, substituted provisions for the establishment of prices on a basis of recovery of the Government’s costs over a reasonable period of time for provisions for the establishment of prices on a basis which will provide reasonable compensation to the Government.

1967—Subsec. (n). Pub. L. 90–190 substituted “2077(b)” for “2077(a)(3)”.

1964—Subsec. (v). Pub. L. 88–489 added subsec. (v).

1962—Subsec. (d). Pub. L. 87–793 substituted “up to a limit of the highest rate of grade 18 of the General Schedule of the Classification Act of 1949, as amended” for “up to a limit of $19,000”.

Subsec. (l). Pub. L. 87–456 repealed subsec. (l) which authorized the admittance free of duty into the United States of purchases made abroad of source materials.

Subsec. (n). Pub. L. 87–615 substituted “2165(f) of this title” for “2165(e) of this title”.

1961—Subsecs. (s) to (v). Pub. L. 87–206 redesignated subsecs. (t) to (v) as (s) to (u), respectively.

1959—Subsec. (m). Pub. L. 86–300 inserted references to sections 2073(a)(4) and 2093(a)(4) of this title.

1958—Subsec. (d). Pub. L. 85–681, § 6, authorized the Commission to adopt compensation rates on a retroactive basis as may be authorized by the Classification Act for other Government employees.

Subsecs. (n) to (s). Pub. L. 85–507 redesignated subsecs. (o) to (s) as (n) to (r), respectively. Former subsec. (n), which authorized the Commission to assign employees for instruction, education, or training by public or private agencies, institutions of learning, laboratories, or industrial or commercial organizations, was repealed by Pub. L. 85–507, see section 4101 et seq. of Title 5, Government Organizations and Employees.

Subsecs. (t) to (v). Pub. L. 85–681, § 7, added subsecs. (t) to (v).

1957—Subsec. (d). Pub. L. 85–287 inserted “up to a limit of $19,000” after “scientific and technical personnel”.

Subsec. (e). Pub. L. 85–162, § 201, inserted “(at the time of the initial grant of any privilege grant, lease, or permit, or renewal thereof, or in order to avoid inequities or undue hardship prior to the sale by the United States of property affected by such grant)” after “adjusted terms which”.

Subsec. (s). Pub. L. 85–162, § 204, added subsec. (s).

1956—Subsec. (e). Act July 14, 1956, inserted proviso relating to negotiation of commercial leases without advertising by the Commission.

Subsec. (r). Act Aug. 6, 1956, added subsec. (r).

Amendment by Pub. L. 100–449 effective on the date the United States-Canada Free-Trade Agreement enters into force (Jan. 1, 1989), and to cease to have effect on the date the Agreement ceases to be in force, see section 501(a), (c) of Pub. L. 100–449, set out in a note under section 2112 of Title 19, Customs Duties.

Amendment by Pub. L. 91–452 effective on sixtieth day following Oct. 15, 1970, and not to affect any immunity to which any individual is entitled under this section by reason of any testimony given before sixtieth day following Oct. 15, 1970, see section 260 of Pub. L. 91–452, set out as an Effective Date; Savings Provision note under section 6001 of Title 18, Crimes and Criminal Procedure.

Amendment by Pub. L. 87–793 effective on first day of first pay period which begins on or after Oct. 11, 1962, see Pub. L. 87–793, title VI, § 1008, Oct. 11, 1962, 76 Stat. 868.

Repeal of subsec. (l) effective with respect to articles entered, or withdrawn from warehouse, for consumption on or after Aug. 31, 1963, see Pub. L. 87–456, title V, § 501(a), May 24, 1962, 76 Stat. 78.

For effective date of amendment by Pub. L. 85–507, see Pub. L. 85–507, § 21(a), July 7, 1958, 72 Stat. 337.

References to the United States Enrichment Corporation deemed, as of the privatization date (July 28, 1998), to be references to the private corporation, see section 3116(e) of Pub. L. 104–134, set out as a note under former section 2297 of this title.

References in laws to the rates of pay for GS–16, 17, or 18, or to maximum rates of pay under the General Schedule, to be considered references to rates payable under specified sections of Title 5, Government Organization and Employees, see section 529 [title I, § 101(c)(1)] of Pub. L. 101–509, set out in a note under section 5376 of Title 5.

Pub. L. 118–67, div. B, title V, § 501, July 9, 2024, 138 Stat. 1471, provided that:

Pub. L. 95–209, § 7, Dec. 13, 1977, 91 Stat. 1483, provided that the Commission would, by Dec. 31, 1977, promulgate guidelines to be applied by the Commission to determine whether an organization proposing to enter into a contractual arrangement with the Commission had a conflict of interest that could impair the contractor’s judgment or give the contractor an unfair competitive advantage.

Pub. L. 95–91, title VII, § 709(c)(2), Aug. 4, 1977, 91 Stat. 608, provided that: “Section 161(d) of the Atomic Energy Act of 1954 [subsec. (d) of this section] shall not apply to functions transferred by this Act [see Short Title note set out under section 7101 of this title].”

Advisory boards in existence on Jan. 5, 1973, to terminate not later than the expiration of the 2-year period following Jan. 5, 1973, unless, in the case of a board established by the President or an officer of the Federal Government, such board is renewed by appropriate action prior to the expiration of such 2-year period, or in the case of a board established by the Congress, its duration is otherwise provided by law. Advisory boards established after Jan. 5, 1973, to terminate not later than the expiration of the 2-year period beginning on the date of their establishment, unless, in the case of a board established by the President or an officer of the Federal Government, such board is renewed by appropriate action prior to the expiration of such 2-year period, or in the case of a board established by the Congress, its duration is otherwise provided by law. See sections 1001(2) and 1013 of Title 5, Government Organization and Employees.

Act May 6, 1955, ch. 34, 69 Stat. 47, as amended by Pub. L. 85–107, July 17, 1957, 71 Stat. 307, authorized Atomic Energy Commission to acquire a suitable site in or near District of Columbia and, notwithstanding any other provision of law, to provide for construction on such site, in accordance with plans and specifications prepared by or under direction of Commission, of a modern office building to serve as principal office of Commission at a total cost of not to exceed $13,300,000 and authorized to be appropriated such sums as were necessary.

Pub. L. 85–162, title II, § 203, Aug. 21, 1957, 71 Stat. 410, directed Atomic Energy Commission, Federal Housing Administration, and Housing and Home Finance Agency to report to Joint Committee by Jan. 31, 1958, with respect to renegotiations, reappraisals, and sales proceedings authorized under sections 201 and 202 of Pub. L. 85–162 [amending subsec. (e) of this section and enacting section 2325(c) of this title].

For assignment of certain emergency preparedness functions to Members of the Nuclear Regulatory Commission, see Parts 1, 2, and 21 of Ex. Ord. No. 12656, Nov. 18, 1988, 53 F.R. 47491, set out as a note under section 5195 of this title.