{"data":{"id":"us/23-cfr-669.13","jurisdiction":"us","citation":"23 CFR 669.13","heading":"Effect of failure to certify or to adequately obtain proof-of-payment.","body":"If a State fails to certify as required by this regulation or if the Secretary of Transportation determines that a State is not adequately obtaining proof-of-payment of the heavy vehicle use tax as a condition of registration notwithstanding the State's certification, Federal-aid highway funds apportioned to the State under 23 U.S.C. 104(b)(1) for the next fiscal year shall be reduced in an amount up to 8 percent as determined by the Secretary.","path":["Title 23—Highways","CHAPTER I—FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER G—ENGINEERING AND TRAFFIC OPERATIONS","PART 669—ENFORCEMENT OF HEAVY VEHICLE USE TAX"],"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":"b60786d0270e2d654be3a4631f973ed55f796d61ee1a77e2eabfb814856beb82","source_id":"us-cfr","stale":true,"prev":"us/23-cfr-669.11","next":"us/23-cfr-669.15"},"notice":"GroundRules: Original legal text. Not legal advice."}