---
kind: "section"
citation: "10 C.F.R. § 4.551"
title: "10"
number: "4.551"
heading: "Program accessibility: New construction and alterations."
url: "https://uscodex.org/cfr/10/4.551"
---

# §4.551. Program accessibility: New construction and alterations.


Each building or part of a building that is constructed or altered by, on behalf of, or for the use of the agency shall be designed, constructed, or altered so as to be readily accessible to and usable by disabled persons. The definitions, requirements, and standards of the Architectural Barriers Act ([42 U.S.C. 4151-4157](/usc/42/4151-4157.md)), as established in [41 CFR 101-19.600 to 101-19.607](/cfr/41/101-19.600..101-19.607.md), apply to buildings covered by this section.


## Notes

### Source

Source: 51 FR 22888, 22896, June 23, 1986, unless otherwise noted.

### Authority

Authority: Atomic Energy Act of 1954, secs. 161, 223, 234, 274 (42 U.S.C. 2201, 2273, 2282, 2021); Energy Reorganization Act of 1974, secs. 201, 401 (42 U.S.C. 5841, 5891); 29 U.S.C. 794; 42 U.S.C. 12101 et seq.; 44 U.S.C. 3504 note. Subpart A also issued under 42 U.S.C. 2000d through d-7. Subpart B also issued under 29 U.S.C. 706. Subpart C also issued under 42 U.S.C. 6101 through 6107.

### Source

Source: 29 FR 19277, Dec. 31, 1964, unless otherwise noted.