Versions of 49 CFR 571.213a - Standard No. 213a; Child restraint systems--side impact protection on LawServer 2024 49 CFR 571.213a – Standard No. 213a; Child restraint systems–side impact protection 2023 49 CFR 571.213a – Standard No. 213a; Child restraint systems – side impact protection 2022 49 CFR 571.213a – Standard No. 213a; Child restraint systems – side impact protection