1. Short title This Act may be cited as the DUI Reporting Act of 2018 . 2. Impaired driving countermeasures Section 405(d) of title 23, United States Code, is amended by adding at the end the following: (8) Special rules relating to DUI reporting (A) In general Notwithstanding any other provision of this subsection, the Secretary shall withhold from a State, in accordance with this paragraph, each grant under this subsection for a fiscal year if the State does not appear on the most recent list provided to the Secretary under subparagraph (B)(ii)(I). (B) List (i) Requirement The Attorney General shall provide to the Secretary a list identifying each State that, in the determination of the Attorney General, is ensuring, through law or policy, that all State and local law enforcement agencies in that State are appropriately reporting covered arrests to the appropriate Federal repository (which the Attorney General may determine to be the National Crime Information Center or the Next Generation Identification system). (ii) Timing Each year, the Attorney General shall provide the list required under clause (i)— (I) during the 30-day period ending on September 30