SUBCHAPTER I—ESTABLISHMENT AND ORGANIZATION Sec. 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. SUBCHAPTER II—MATTERS RELATING TO SECURITY 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. SUBCHAPTER III—MATTERS RELATING TO PERSONNEL 2441. Authority to establish certain scientific, engineering, and technical positions. 2442. Voluntary early retirement authority. 2443. Repealed. SUBCHAPTER IV—BUDGET AND FINANCIAL 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. SUBCHAPTER V—MISCELLANEOUS PROVISIONS 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. SUBCHAPTER VI—DEFINITIONS 2471. Definitions. SUBCHAPTER VII—TRANSITION PROVISIONS 2481. Functions transferred. 2482. Transfer of funds and employees. 2483. Transition provisions. 2484. Applicability of preexisting laws and regulations.