{"data":{"id":"us/23-cfr-1340.1","jurisdiction":"us","citation":"23 CFR 1340.1","heading":"Purpose.","body":"This part establishes uniform criteria for State surveys of seat belt use conducted under 23 U.S.C. 402, procedures for NHTSA approval of survey designs, and administrative requirements relating to State seat belt surveys.","path":["Title 23—Highways","CHAPTER III—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 1340—UNIFORM CRITERIA FOR STATE OBSERVATIONAL SURVEYS OF SEAT BELT USE","Subpart A—General"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-23.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:50Z","sha256":"8877fef143ccc090be367381fd5b61c39dfb55f0a5a552d7942106918857c754","source_id":"us-cfr","stale":true,"prev":"us/23-cfr-appendix-b-to-part-1327","next":"us/23-cfr-1340.2"},"notice":"GroundRules: Original legal text. Not legal advice."}