Pa Booster Seat Laws 2025. (2) a child booster seat shall be used as designated by the manufacturer of the system in motor vehicles equipped with seat safety belts and shall meet the federal motor vehicle safety standard (49 cfr § 571.213) that is designed to elevate a child to properly sit in a federally. A booster seat must be used, according to laws in pennsylvania, when your child is between 4 and 8 years of age.
Effective september 1, children under 2 and. Children under age 8 and weighing less than 80 lbs.