Cal. HSC § 1796.22

Any individual who has submitted a home care aide application and who possesses any one of the following identification cards may initiate a background examination to be a registered home care aide: (a) A valid California driver’s license. (b) A valid identification card issued by the Department of Motor Vehicles. (c) A valid Permanent Resident Card. (d) In the case of a person living in a state other than California, a valid numbered photo identification card issued by an agency of the state other than California.