TITLE 5 - US CODE - SUBCHAPTER IV - DUAL PAY AND DUAL EMPLOYMENT

5 USC 5531 - Definitions

For the purpose of section 5533 of this title
(1) member has the meaning given such term by section 101 (23) of title 37;
(2) position means a civilian office or position (including a temporary, part-time, or intermittent position), appointive or elective, in the legislative, executive, or judicial branch of the Government of the United States (including a Government corporation and a nonappropriated fund instrumentality under the jurisdiction of the armed forces) or in the government of the District of Columbia;
(3) retired or retainer pay means retired pay, as defined in section 8311 (3) of this title, determined without regard to subparagraphs (B) through (D) of such section 8311 (3); except that such term does not include an annuity payable to an eligible beneficiary of a member or former member of a uniformed service under chapter 73 of title 10;
(4) agency in the legislative branch means the Government Accountability Office, the Government Printing Office, the Library of Congress, the Office of Technology Assessment, the Office of the Architect of the Capitol, the United States Botanic Garden, and the Congressional Budget Office;
(5) employee of the House of Representatives means a congressional employee whose pay is disbursed by the Chief Administrative Officer of the House of Representatives;
(6) employee of the Senate means a congressional employee whose pay is disbursed by the Secretary of the Senate; and
(7) congressional employee has the meaning given that term by section 2107 of this title, excluding an employee of an agency in the legislative branch.

5 USC 5532 - Repealed. Pub. L. 10665, div. A, title VI, 651(a)(1), Oct. 5, 1999, 113 Stat. 664]

Section, Pub. L. 89–554, Sept. 6, 1966, 80 Stat. 482; Pub. L. 95–454, title III, § 308(a), (c)(f)(1), Oct. 13, 1978, 92 Stat. 1149–1151; Pub. L. 97–276, § 151(b), Oct. 2, 1982, 96 Stat. 1200; Pub. L. 98–396, title III, § 306, Aug. 22, 1984, 98 Stat. 1424; Pub. L. 98–525, title XV, § 1537(b), Oct. 19, 1984, 98 Stat. 2635; Pub. L. 99–88, title I, § 100, Aug. 15, 1985, 99 Stat. 351; Pub. L. 99–500, § 101(l), Oct. 18, 1986, 100 Stat. 1783–308, and Pub. L. 99–591, § 101(l), Oct. 30, 1986, 100 Stat. 3341–308; Pub. L. 100–202, §§ 101(l) [title I, 101], 106, Dec. 22, 1987, 101 Stat. 1329–358, 1329362, 1329433; Pub. L. 100–457, title I, Sept. 30, 1988, 102 Stat. 2129; Pub. L. 101–509, title V, § 529 [title I, 108(a)], Nov. 5, 1990, 104 Stat. 1427, 1449; Pub. L. 101–510, div. A, title XII, 1206(j)(1), Nov. 5, 1990, 104 Stat. 1663; Pub. L. 102–83, § 5(c)(2), Aug. 6, 1991, 105 Stat. 406; Pub. L. 102–190, div. A, title VI, 655(a)(1), Dec. 5, 1991, 105 Stat. 1390; Pub. L. 102–378, § 8(a), Oct. 2, 1992, 106 Stat. 1359; Pub. L. 105–55, title I, § 107, Oct. 7, 1997, 111 Stat. 1184, related to employment of retired members of uniformed services and reduction in retired or retainer pay.

5 USC 5533 - Dual pay from more than one position; limitations; exceptions

(a) Except as provided by subsections (b), (c), and (d) of this section, an individual is not entitled to receive basic pay from more than one position for more than an aggregate of 40 hours of work in one calendar week (Sunday through Saturday).
(b) Except as otherwise provided by subsection (c) of this section, the Office of Personnel Management, subject to the supervision and control of the President, may prescribe regulations under which exceptions may be made to the restrictions in subsection (a) of this section when appropriate authority determines that the exceptions are warranted because personal services otherwise cannot be readily obtained.
(c) 
(1) Unless otherwise authorized by law and except as otherwise provided by paragraph (2) or (4) of this subsection, appropriated funds are not available for payment to an individual of pay from more than one position if the pay of one of the positions is paid by the Secretary of the Senate or the Chief Administrative Officer of the House of Representatives, or one of the positions is under the Office of the Architect of the Capitol, and if the aggregate gross pay from the positions exceeds $7,724 a year ($10,540, in the case of pay disbursed by the Secretary of the Senate).
(2) Notwithstanding paragraph (1) of this subsection, appropriated funds are not available for payment to an individual of pay from more than one position, for each of which the pay is disbursed by the Chief Administrative Officer of the House of Representatives, if the aggregate gross pay from those positions exceeds the maximum per annum gross rate of pay authorized to be paid to an employee out of the clerk hire allowance of a Member of the House.
(3) For the purposes of this subsection, gross pay means the annual rate of pay (or equivalent thereof in the case of an individual paid on other than an annual basis) received by an individual.
(4) Paragraph (1) of this subsection does not apply to pay on a when-actually-employed basis received from more than one consultant or expert position if the pay is not received for the same day.
(d) Subsection (a) of this section does not apply to
(1) pay on a when-actually-employed basis received from more than one consultant or expert position if the pay is not received for the same hours of the same day;
(2) pay consisting of fees paid on other than a time basis;
(3) pay received by a teacher of the public schools of the District of Columbia for employment in a position during the summer vacation period;
(4) pay paid by the Tennessee Valley Authority to an employee performing part-time or intermittent work in addition to his normal duties when the Authority considers it to be in the interest of efficiency and economy;
(5) pay received by an individual holding a position
(A) the pay of which is paid by the Secretary of the Senate or the Chief Administrative Officer of the House of Representatives; or
(B) under the Architect of the Capitol;
(6) pay paid by the United States Coast Guard to an employee occupying a part-time position of lamplighter; and
(7) pay within the purview of any of the following statutes:
(A) section 162 of title 2;
(B) section 23 (b) of title 13;
(C) section 327 of title 15;
(D) section 907 of title 20;
(E) section 873 of title 33; or
(F) section 631 or 631a of title 31, District of Columbia Code.
[(G) Repealed. Pub. L. 96–70, title III, § 3302(e)(8), Sept. 27, 1979, 93 Stat. 498.]
(e) 
(1) This section does not apply to an individual employed under sections 174j–1 to 174j–7 or 174k1 of title 40.
(2) Subsection (c) of this section does not apply to pay received by a teacher of the public schools of the District of Columbia for employment in a position during the summer vacation period.
[1] See References in Text note below.

5 USC 5534 - Dual employment and pay of Reserves and National Guardsmen

A Reserve of the armed forces or member of the National Guard may accept a civilian office or position under the Government of the United States or the government of the District of Columbia, and he is entitled to receive the pay of that office or position in addition to pay and allowances as a Reserve or member of the National Guard.

5 USC 5534a - Dual employment and pay during terminal leave from uniformed services

A member of a uniformed service who has performed active service and who is on terminal leave pending separation from, or release from active duty in, that service under honorable conditions may accept a civilian office or position in the Government of the United States, its territories or possessions, or the government of the District of Columbia, and he is entitled to receive the pay of that office or position in addition to pay and allowances from the uniformed service for the unexpired portion of the terminal leave. Such a member also is entitled to accrue annual leave with pay in the manner specified in section 6303 (a) of this title for a retired member of a uniformed service.

5 USC 5535 - Extra pay for details prohibited

(a) An officer may not receive pay in addition to the pay for his regular office for performing the duties of a vacant office as authorized by sections 3345–3347 of this title.
(b) An employee may not receive
(1) additional pay or allowances for performing the duties of another employee; or
(2) pay in addition to the regular pay received for employment held before his appointment or designation as acting for or instead of an occupant of another position or employment.

This subsection does not prevent a regular and permanent appointment by promotion from a lower to a higher grade of employment.

5 USC 5536 - Extra pay for extra services prohibited

An employee or a member of a uniformed service whose pay or allowance is fixed by statute or regulation may not receive additional pay or allowance for the disbursement of public money or for any other service or duty, unless specifically authorized by law and the appropriation therefor specifically states that it is for the additional pay or allowance.

5 USC 5537 - Fees for jury and witness service

(a) An employee as defined by section 2105 of this title (except an individual whose pay is disbursed by the Secretary of the Senate or the Chief Administrative Officer of the House of Representatives) or an individual employed by the government of the District of Columbia may not receive fees for service
(1) as a juror in a court of the United States or the District of Columbia; or
(2) as a witness on behalf of the United States or the District of Columbia.
(b) An official of a court of the United States or the District of Columbia may not receive witness fees for attendance before a court, commissioner, or magistrate judge where he is officiating.
(c) For the purpose of this section, court of the United States has the meaning given it by section 451 of title 28 and includes the District Court of Guam and the District Court of the Virgin Islands.