On and after January 1, 2021, any motor vehicle brake friction materials exceeding 5 percent copper by weight shall not be sold in this state, except as otherwise provided in this article.
Cal. Health & Safety Code § 25250.52
Motor Vehicle Brake Friction Materials
Added by Stats. 2010, Ch. 307, Sec. 2
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.