California Code, Health and Safety Code - HSC § 25250.15

(a) Any person operating a refuse removal vehicle or a curbside collection vehicle used to collect or transport used oil which has been generated as a household waste or as part of a curbside recycling program, as defined by the board, is exempt from the requirements of Section 25160, and subdivision (a) of Section 25163 of this code and Chapter 2.5 (commencing with Section 2500) of Division 2 of, Division 14.1 (commencing with Section 32000) of, and subdivision (g) of Section 34500 of, the Vehicle Code.

(b) Refuse removal and other curbside collection operations exempted under subdivision (a) are also exempt from permit requirements pursuant to Article 9 (commencing with Section 25200), if the storage location meets all applicable hazardous waste generator, container, and tank requirements, except for the generator fee requirement specified in subdivision (d).

(c) Used oil collected pursuant to this section shall be deemed to be generated by the storage location upon receipt.

(d) Used oil collected pursuant to this section is exempt from the generator fee imposed pursuant to Section 25205.5.