; and (6) special editions of the Federal Register. . (g) Code of Federal Regulations amendment Section 1510 of title 44, United States Code, is amended to read as follows: 1510. Code of Federal Regulations (a) Special edition for codification of agency documents The Administrative Committee of the Federal Register, with the approval of the President, may require, from time to time as it considers necessary, the preparation and publication in a special edition of the Federal Register a complete codification of the documents of each agency of the Government having general applicability and legal effect, issued or promulgated by the agency by publication in the Federal Register or by filing with the Administrative Committee, and which are relied upon by the agency as authority for, or are invoked or used by it in the discharge of, its activities or functions, and are in effect as to facts arising on or after dates specified by the Administrative Committee. (b) Code of Federal Regulations A codification prepared under subsection (a) of this section shall be published and shall be designated as the Code of Federal Regulations . The Administrative Committee shall regulate the manner and forms of publishing this codification. (c) Supplementation, collation, and republication The Administrative Committee shall regulate the supplementation and the collation and republication of the codification with a view to keeping the Code of Federal Regulations as current as practicable. Each unit of codification shall be supplemented and republished at least once each calendar year. The Office of the Federal Register may create updates of each unit of codification from time to time and make the same available electronically or may provide public access using an electronic edition that allows a user to select a specific date and retrieve the version of the codification in effect as of that date. (d) Preparation and publication by the Federal Register The Office of the Federal Register shall prepare and publish the codifications,