23 CFR 1210.5 - Certification requirements.
(a) Until a State has been determined to be in compliance with the requirements of 23 U.S.C. 161, to avoid the withholding of funds in any fiscal year, beginning with FY 1999, the State shall certify to the Secretary of Transportation, before the last day of the previous fiscal year, that it meets the requirements of 23 U.S.C. 161, and this part.
(b) The certification shall contain:
(1) A copy of the State zero tolerance law, regulation, or binding policy directive implementing or interpreting such law or regulation, that conforms to 23 U.S.C. 161 and § 1210.4(c); and
(2) A statement by an appropriate State official, that the State has enacted and is enforcing a conforming zero tolerance law. The certifying statement shall be worded as follows:
(c) An original and four copies of the certification shall be submitted to the appropriate NHTSA Regional Administrator. Each Regional Administrator will forward the certifications he or she receives to appropriate NHTSA and FHWA offices.
(d) Once a State has been determined to be in compliance with the requirements of 23 U.S.C. 161, it is not required to submit additional certifications, except that the State shall promptly submit an amendment or supplement to its certification provided under paragraphs (a) and (b) of this section if the State's zero tolerance legislation changes.