California Code, Welfare and Institutions Code - WIC § 11102

(1) The county where the applicant lives shall accept the application and shall be responsible for paying the aid.

(2) Responsibility for payment of aid to a person qualifying for and receiving aid from a county, who moves to another county in this state to make his or her home, shall be transferred to the second county as soon as administratively possible pursuant to the requirements set forth in subdivision (a) of Section 10003.

(1) For a patient in a state hospital or institution, voluntary, nonprofit, or proprietary facility, or other public or private institution, the county where he or she was admitted.

(2) For a person who has had to leave the county where he or she normally lives, solely for the purpose of securing care not otherwise available to him or her in a medical facility, the county where he or she last maintained a living arrangement outside a medical facility.