Zero tolerance for impaired driving

(a) In general Chapter 1 of title 23, United States Code, is amended by adding at the end the following: 180. Zero tolerance for impaired driving (a) In general For fiscal year 2027 and each fiscal year thereafter, the Secretary shall withhold 10 percent of the amount required to be apportioned to any State under paragraphs (1) and (2) of section 104(b) if such State does not have in effect a law that meets the requirements of subsection (b). (b) Requirements The requirements of this subsection are as follows: (1) For purposes of enforcing laws relating to impaired driving, impairment due to hemp shall be assessed using the same field sobriety evaluation standards and protocols that law enforcement officers apply to determine impairment caused by lawfully prescribed pharmaceutical substances, including opioids, benzodiazepines, and other controlled medications. (2) Any person determined to be operating a motor vehicle while impaired by hemp shall be subject to the same penalties, fines, license suspensions, and other sanctions as apply to driving under the influence of alcohol or other impairing substances under the laws of the State in which the violation occurs. (c) State enforcement Nothing in this section shall be construed to limit the authority of any State to enforce its own laws relating to impaired driving, provided such laws apply penalties for hemp impairment that are no less stringent than those applied to alcohol-related impairment. (d) Rule of construction This section shall not be construed to require the development of a per se blood or bodily fluid concentration threshold for hemp-derived cannabinoids as a precondition for enforcement of impaired driving laws.. (b) Clerical amendment The analysis for chapter 1 of title 23, United States Code, is amended by adding at the end the following: 180. Zero tolerance for impaired driving..