§ 8331.
(1)
“employee” means—
(B)
the Architect of the Capitol, an employee of the Architect of the Capitol, and an employee of the Botanic Garden;
(C)
a Congressional employee as defined by
section 2107 of this title (other than the Architect of the Capitol, an employee of the Architect of the Capitol, and an employee of the Botanic Garden), after he gives notice in writing to the official by whom he is paid of his desire to become subject to this subchapter;
(D)
a temporary Congressional employee appointed at an annual rate of pay, after he gives notice in writing to the official by whom he is paid of his desire to become subject to this subchapter;
(E)
a United States Commissioner whose total pay for services performed as Commissioner is not less than $3,000 in each of the last 3 consecutive calendar years ending after December 31, 1954;
(G)
an individual first employed by the government of the District of Columbia before October 1, 1987;
(H)
an individual employed by Gallaudet College;
(I)
an individual appointed to a position on the office staff of a former President under [section 1(b) of the Act of August 25, 1958] ([72 Stat. 838]);
(J)
an alien (i) who was previously employed by the Government, (ii) who is employed full time by a foreign government for the purpose of protecting or furthering the interests of the United States during an interruption of diplomatic or consular relations, and (iii) for whose services reimbursement is made to the foreign government by the United States;
(K)
an individual appointed to a position on the office staff of a former President, or a former Vice President under section 5 of the Presidential Transition Act of 1963, as amended ([78 Stat. 153]), who immediately before the date of such appointment was an employee as defined under any other subparagraph of this paragraph; and
(L)
an employee described in section 2105(c) who has made an election under section 8347(q)(1) to remain covered under this subchapter;
(ii)
an employee subject to another retirement system for Government employees (besides any employee excluded by clause (x), but including any employee who has made an election under section 8347(q)(2) to remain covered by a retirement system established for employees described in section 2105(c));
(iii)
an employee or group of employees in or under an Executive agency excluded by the Office of Personnel Management under
section 8347(g) of this title;
(iv)
an individual or group of individuals employed by the government of the District of Columbia excluded by the Office under
section 8347(h) of this title;
(v)
an employee of the Administrative Office of the United States Courts, the Federal Judicial Center, or a court named by
section 610 of title 28, excluded by the Director of the Administrative Office under section 8347(
o) of this title;
(vi)
a construction employee or other temporary, part-time, or intermittent employee of the Tennessee Valley Authority;
(x)
an employee subject to the Federal Employees’ Retirement System;
(xi)
an employee under the Botanic Garden excluded by the Director or Acting Director of the Botanic Garden under section 8347(l) of this title; or
(xii)
a member of the Foreign Service (as described in section 103(6) of the Foreign Service Act of 1980), appointed after December 31, 1987.
Notwithstanding this paragraph, the employment of a teacher in the recess period between two school years in a position other than a teaching position in which he served immediately before the recess period does not qualify the individual as an employee for the purpose of this subchapter. For the purpose of the preceding sentence, “teacher” and “teaching position” have the meanings given them by
section 901 of title 20;
(20)
“law enforcement officer” means an employee, the duties of whose position are primarily the investigation, apprehension, or detention of individuals suspected or convicted of offenses against the criminal laws of the United States, including an employee engaged in this activity who is transferred to a supervisory or administrative position. For the purpose of this paragraph, “detention” includes the duties of—
(A)
employees of the Bureau of Prisons and Federal Prison Industries, Incorporated;
(B)
employees of the Public Health Service assigned to the field service of the Bureau of Prisons or of the Federal Prison Industries, Incorporated;
(C)
employees in the field service at Army or Navy disciplinary barracks or at confinement and rehabilitation facilities operated by any of the armed forces; and
(D)
employees of the Department of Corrections of the District of Columbia, its industries and utilities;
whose duties in connection with individuals in detention suspected or convicted of offenses against the criminal laws of the United States or of the District of Columbia or offenses against the punitive articles of the Uniformed Code of Military Justice (chapter 47 of title 10) require frequent (as determined by the appropriate administrative authority with the concurrence of the Office) direct contact with these individuals in their detention, direction, supervision, inspection, training, employment, care, transportation, or rehabilitation;
([Pub. L. 89–554], Sept. 6, 1966, [80 Stat. 564]; [Pub. L. 89–737, § 1(2)], Nov. 2, 1966, [80 Stat. 1164]; [Pub. L. 90–83, § 1(72)], Sept. 11, 1967, [81 Stat. 213]; [Pub. L. 90–623, § 1(21)], Oct. 22, 1968, [82 Stat. 1313]; [Pub. L. 91–93, title I, § 101], title II, § 201(a), Oct. 20, 1969, [83 Stat. 136], 138; [Pub. L. 92–352, title I, § 105(a)], July 13, 1972, [86 Stat. 490]; [Pub. L. 93–350, § 2], July 12, 1974, [88 Stat. 355]; [Pub. L. 94–183, § 2(38)], Dec. 31, 1975, [89 Stat. 1058]; [Pub. L. 95–454, title IX, § 906(a)(2)], (3), Oct. 13, 1978, [92 Stat. 1224]; [Pub. L. 95–598, title III, § 338(e)], Nov. 6, 1978, [92 Stat. 2681]; [Pub. L. 96–54, § 2(a)(47)], Aug. 14, 1979, [93 Stat. 384]; [Pub. L. 96–499, title IV, § 403(b)], Dec. 5, 1980, [94 Stat. 2606]; [Pub. L. 97–253, title III, § 306(a)], Sept. 8, 1982, [96 Stat. 795]; [Pub. L. 98–249, § 3(b)], Mar. 31, 1984, [98 Stat. 117]; [Pub. L. 98–271, § 3(b)], Apr. 30, 1984, [98 Stat. 163]; [Pub. L. 98–299, § 3(b)], May 25, 1984, [98 Stat. 214]; [Pub. L. 98–325, § 3(b)], June 20, 1984, [98 Stat. 268]; [Pub. L. 98–353, title I], §§ 116(a), 121(g), July 10, 1984, [98 Stat. 343], 346; [Pub. L. 98–531, § 2(a)], Oct. 19, 1984, [98 Stat. 2704]; [Pub. L. 98–615, § 2(1)], Nov. 8, 1984, [98 Stat. 3195]; [Pub. L. 99–335, title II], §§ 202, 207(f), June 6, 1986, [100 Stat. 591], 595; [Pub. L. 100–53, § 2(a)], June 18, 1987, [101 Stat. 367]; [Pub. L. 100–238, title I], §§ 112, 123, Jan. 8, 1988, [101 Stat. 1750], 1754; [Pub. L. 100–679, § 13(a)(1)], Nov. 17, 1988, [102 Stat. 4071]; [Pub. L. 101–474, § 5(m)], Oct. 30, 1990, [104 Stat. 1100]; [Pub. L. 101–508, title VII, § 7202(j)(1)], Nov. 5, 1990, [104 Stat. 1388–337]; [Pub. L. 101–650, title III], §§ 306(c)(1), 321, Dec. 1, 1990, [104 Stat. 5110], 5117; [Pub. L. 102–378, § 2(57)],