# 5 C.F.R. § 842.902 (2026): Definitions

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T5_P842_S842_902

## Section

- **Citation:** 5 C.F.R. § 842.902 (2026)
- **Heading:** Definitions
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 5 CFR: Administrative Personnel / Chapter I: OFFICE OF PERSONNEL MANAGEMENT / Part 842: FEDERAL EMPLOYEES RETIREMENT SYSTEM—BASIC ANNUITY / Subpart I: Nuclear Materials Couriers / § 842.902: § 842.902   Definitions.

## Text

Agency head
means the Secretary of Energy. For purposes of this subpart,
agency head
is also deemed to include the designated representative of the Secretary of Energy, except that the designated representative must be a department headquarters-level official who reports directly to the Secretary of Energy, or to the Deputy Secretary of Energy, and who is the sole such representative for the entire department.
Employee
means an employee as defined by 5 U.S.C. 8401(11).
Nuclear materials courier
means an employee of the Department of Energy, the duties of whose position are primarily to transport, and provide armed escort and protection during transit of, nuclear weapons, nuclear weapon components, strategic quantities of special nuclear materials or other materials related to national security, including an employee engaged in this activity who is transferred directly to a supervisory or administrative position within the same Department of Energy organization, after performing this activity for at least 3 years. (See 5 U.S.C. 8331(27).)
Primary duties
means those duties of a position that—
(1)(i) Are paramount in influence or weight; that is, constitute the basic reasons for the existence of the position;
(ii) Occupy a substantial portion of the individual's working time over a typical work cycle; and
(iii) Are assigned on a regular and recurring basis.
(2) Duties that are of an emergency, incidental, or temporary nature cannot be considered “primary” even if they meet the substantial portion of time criterion. In general, if an employee spends an average of at least 50 percent of his or her time performing a duty or group of duties, they are his or her primary duties.
Primary position
means a position that is in an organization of the Department of Energy and whose primary duties are to transport, and provide armed escort and protection during transit of, nuclear weapons, nuclear weapon components, strategic quantities of special nuclear materials or other materials related to national security
ming a duty or group of duties, they are his or her primary duties.
Primary position
means a position that is in an organization of the Department of Energy and whose primary duties are to transport, and provide armed escort and protection during transit of, nuclear weapons, nuclear weapon components, strategic quantities of special nuclear materials or other materials related to national security.
Secondary position
means a position that—
(1) Is clearly in the nuclear materials transportation field;
(2) Is in an organization of the Department of Energy having a nuclear materials transportation mission; and
(3) Is either—
(i) Supervisory; that is, a position whose primary duties are as a first-level supervisor of nuclear materials couriers in primary positions; or
(ii) Administrative; that is, an executive, managerial, technical, semiprofessional, or professional position for which experience in a primary nuclear materials courier position is a prerequisite.

## Nearby sections

- [5 C.F.R. § 842.901 (2026) § 842.901   Applicability and purpose.](https://www.frixlaw.com/law-library/statutes/CFR_T5_P842_S842_901.md)
- [5 C.F.R. § 842.902 (2026) § 842.902   Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T5_P842_S842_902.md)
- [5 C.F.R. § 842.903 (2026) § 842.903   Conditions for coverage in primary positions.](https://www.frixlaw.com/law-library/statutes/CFR_T5_P842_S842_903.md)
- [5 C.F.R. § 842.904 (2026) § 842.904   Conditions for coverage in secondary positions.](https://www.frixlaw.com/law-library/statutes/CFR_T5_P842_S842_904.md)
- [5 C.F.R. § 842.905 (2026) § 842.905   Evidence.](https://www.frixlaw.com/law-library/statutes/CFR_T5_P842_S842_905.md)
- [5 C.F.R. § 842.906 (2026) § 842.906   Requests from individuals.](https://www.frixlaw.com/law-library/statutes/CFR_T5_P842_S842_906.md)
- [5 C.F.R. § 842.907 (2026) § 842.907   Withholding and contributions.](https://www.frixlaw.com/law-library/statutes/CFR_T5_P842_S842_907.md)
- [5 C.F.R. § 842.908 (2026) § 842.908   Mandatory separation.](https://www.frixlaw.com/law-library/statutes/CFR_T5_P842_S842_908.md)
- [5 C.F.R. § 842.909 (2026) § 842.909   Review of decisions.](https://www.frixlaw.com/law-library/statutes/CFR_T5_P842_S842_909.md)
- [5 C.F.R. § 842.910 (2026) § 842.910   Oversight of coverage determinations.](https://www.frixlaw.com/law-library/statutes/CFR_T5_P842_S842_910.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T5_P842_S842_902. Check the current official text before relying on it. Not legal advice.