{"data":{"id":"us/1-cfr-51.7","jurisdiction":"us","citation":"1 CFR 51.7","heading":"What publications are eligible?","body":"(a) A publication is eligible for incorporation by reference under 5 U.S.C. 552(a) if it—\n(1) Conforms to the policy stated in § 51.1;\n(2)(i) Is published data, criteria, standards, specifications, techniques, illustrations, or similar material; and\n(ii) Does not detract from the usefulness of the Federal Register publication system; and\n(3) Is reasonably available to and usable by the class of persons affected. In determining whether a publication is usable, the Director will consider—\n(i) The completeness and ease of handling of the publication; and\n(ii) Whether it is bound, numbered, and organized, as applicable.\n(b) The Director will assume that a publication produced by the same agency that is seeking its approval is inappropriate for incorporation by reference. A publication produced by the agency may be approved, if, in the judgment of the Director, it meets the requirements of paragraph (a) and possesses other unique or highly unusual qualities. A publication may be approved if it cannot be printed using the Federal Register/Code of Federal Regulations printing system.\n(c) The following materials are not appropriate for incorporation by reference:\n(1) Material published previously in the Federal Register.\n(2) Material published in the United States Code.","path":["Title 1—General Provisions","CHAPTER II—OFFICE OF THE FEDERAL REGISTER","PART 51—INCORPORATION BY REFERENCE"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-1.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:23:37Z","sha256":"0407fcb32a27cd95f8ac4a189397f4b2d5cc52195eebfd29065c8cb6e8327961","source_id":"us-cfr","stale":true,"prev":"us/1-cfr-51.5","next":"us/1-cfr-51.9"},"notice":"GroundRules: Original legal text. Not legal advice."}