California Code, Health and Safety Code - HSC § 118175

(a) A medical waste permit may be renewed if the enforcement agency finds the permittee has been in substantial compliance with this part and the regulations adopted pursuant to this part during the preceding permitted period or that the permittee corrected previous violations in a timely manner.

(b) Upon approval of the enforcement agency, a permit may be transferred from one subsidiary to another subsidiary of the same corporation, from a parent corporation to one of its subsidiaries, or from a subsidiary to a parent corporation.