California Code, Public Resources Code - PRC § 3465

(a) Adopt rules, in accordance with subdivision (a) of Section 3470, requiring any person who sells to a consumer more than 500 gallons of lubricating or other oil annually in containers for use off the premises to inform purchasers by posting at or near the point of purchase the locations of conveniently located collection facilities.

Such rules shall provide that in a county wherein 5 percent or more of the population, as determined in accordance with the latest Bureau of the Census information, speak a specific primary language other than English, the signs shall be in such other language, as well as English.

(b) Establish, maintain, and publicize a used oil information center that shall explain local, state, and federal laws and regulations governing used oil and inform holders of quantities of used oil on how and where used oil may be properly disposed.

(c) Encourage the establishment of voluntary used oil collection and recycling programs and provide technical assistance and, whenever possible, financial assistance, to persons organizing such programs.

(d) Encourage the procurement of rerefined automotive and industrial oils for all state and local uses, whenever such rerefined oils are available at prices competitive with those of new oil produced for the same purpose.