| 2401. | Establishment and mission. | |
| 2402. | Administrator for Nuclear Security. | |
| 2403. | Principal Deputy Administrator for Nuclear Security. | |
| 2404. | Deputy Administrator for Defense Programs. | |
| 2405. | Deputy Administrator for Defense Nuclear Nonproliferation. | |
| 2406. | Deputy Administrator for Naval Reactors. | |
| 2407. | General Counsel. | |
| 2408. | Staff of Administration. | |
| 2409. | Scope of authority of Secretary of Energy to modify organization of Administration. | |
| 2410. | Status of Administration and contractor personnel within Department of Energy. | |
| 2411. | Director for Cost Estimating and Program Evaluation. | |
| 2412. | Cybersecurity Risk Inventory, Assessment, and Mitigation Working Group. | |
| 2421. | Protection of national security information. | |
| 2422. | Office of Defense Nuclear Security. | |
| 2423. | Counterintelligence programs. | |
| 2424. | Procedures relating to access by individuals to classified areas and information of Administration. | |
| 2425. | Government access to information on Administration computers. | |
| 2426. | Congressional oversight of special access programs. | |
| 2441. | Authority to establish certain contracting, program management, scientific, engineering, and technical positions. | |
| 2441a. | Authorized personnel levels of the Office of the Administrator. | |
| 2442. | Repealed. | |
| 2443. | Notification of employee practices affecting national security. | |
| 2444. | Nonproliferation and national security scholarship and fellowship program. | |
| 2445. | Limitation on bonuses for employees who engage in improper program management. | |
| 2446. | Treatment of contractors who engage in improper program management. | |
| 2451. | Separate treatment in budget. | |
| 2452. | Planning, programming, and budgeting process. | |
| 2453. | Future-years nuclear security program. | |
| 2454. | Semiannual financial reports on defense nuclear nonproliferation programs. | |
| 2455. | Repealed. | |
| 2455a. | National Nuclear Security Administration authority for urgent nonproliferation activities. | |
| 2461. | Environmental protection, safety, and health requirements. | |
| 2462. | Compliance with Federal Acquisition Regulation. | |
| 2463. | Sharing of technology with Department of Defense. | |
| 2464. | Use of capabilities of national security laboratories by entities outside the Administration. | |
| 2465. | Enhancing private-sector employment through cooperative research and development activities. | |
| 2466. | Use of funds for the purchase of options to purchase real property. | |
| 2471. | Definitions. | |
| 2481. | Functions transferred. | |
| 2482 , 2483. | Repealed. | |
| 2484. | Applicability of preexisting laws and regulations. | |
