California Code, Health and Safety Code - HSC § 1524.01

(a) The resource family surrenders the approval to the licensed foster family agency.

(b) The sole resource family parent dies.

(c) The resource family abandons the approved home.

(d) The resource family fails to cooperate with a biennial update, as described in subparagraph (F) of paragraph (3) of subdivision (b) of Section 1517, within 30 days of the date of written notice by the licensed foster family agency.

(e) A resource family approval is forfeited by operation of law, as provided in Section 1517.5 of this code or Section 16519.58 of the Welfare and Institutions Code.