Child restraint means any device (including a child safety seat, booster seat used in conjunction with 3-point belts, or harness, but excluding seat belts) that is designed for use in a motor vehicle to restrain, seat, or position a child who weighs 65 pounds (30 kilograms) or less and that meets the Federal motor vehicle safety standard prescribed by NHTSA for child restraints.
High seat belt use rate State means a State that has an observed seat belt use rate of 90.0 percent or higher (not rounded) based on validated data from the State survey of seat belt use conducted during the previous calendar year, in accordance with the Uniform Criteria for State Observational Surveys of Seat Belt Use, 23 CFR part 1340 (e.g., for a grant application submitted on August 1, 2023, the "previous calendar year" would be 2022).
Lower seat belt use rate State means a State that has an observed seat belt use rate below 90.0 percent (not rounded) based on validated data from the State survey of seat belt use conducted during the previous calendar year, in accordance with the Uniform Criteria for State Observational Surveys of Seat Belt Use, 23 CFR part 1340 (e.g., for a grant application submitted on August 1, 2023, the "previous calendar year" would be 2022).
Low-income and underserved populations means:
Seat belt means, with respect to open-body motor vehicles, including convertibles, an occupant restraint system consisting of a lap belt or a lap belt and a detachable shoulder belt, and with respect to other motor vehicles, an occupant restraint system consisting of integrated lap and shoulder belts.
23 C.F.R. §1300.21