{"data":{"id":"us/23-cfr-1340.12","jurisdiction":"us","citation":"23 CFR 1340.12","heading":"Re-selection of observation sites.","body":"(a) Re-selection of observation sites. States shall re-select observation sites using updated sampling frame data, as described in § 1340.5(a), no less than once every five years.\n(b) Re-selection submission deadline. States shall submit updated sampling frame data meeting the requirements of § 1340.5(a) for NHTSA approval no later than March 1 of the re-selection year.","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 C—Administrative Requirements"],"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":"4ae3a7acce3a1f32d1cc450313c67b8c55d713b0087e4141d4737fa0c0bbe462","source_id":"us-cfr","stale":true,"prev":"us/23-cfr-1340.11","next":"us/23-cfr-1340.13"},"notice":"GroundRules: Original legal text. Not legal advice."}