{"data":{"id":"us/1-cfr-21.12","jurisdiction":"us","citation":"1 CFR 21.12","heading":"Reservation of numbers.","body":"In a case where related parts or related sections are grouped under a heading, numbers may be reserved at the end of each group to allow for expansion.","path":["Title 1—General Provisions","CHAPTER I—ADMINISTRATIVE COMMITTEE OF THE FEDERAL REGISTER","SUBCHAPTER E—PREPARATION, TRANSMITTAL, AND PROCESSING OF DOCUMENTS","PART 21—PREPARATION OF DOCUMENTS SUBJECT TO CODIFICATION","Subpart A—General"],"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":"5245af85902169a7650a09b07211f9f0f46c8706ed1a73e39832f55744ecbafa","source_id":"us-cfr","stale":true,"prev":"us/1-cfr-21.11","next":"us/1-cfr-21.14"},"notice":"GroundRules: Original legal text. Not legal advice."}