Home › CFR › Title 16 › Part 125316 CFR Part 1253 — Children's Toys and Child Care Articles: Determinations Regarding the ASTM F963 Elements and Phthalates for Unfinished Manufactured Fibers§ 1253.1— Children's toys and child care articles containing the ASTM F963 elements and phthalates in manufactured fibers and testing requirements.§ 1253.2— Determinations for unfinished manufactured fibers.