Cal. HSC § 1399

(a) Surrender of a license as a health plan becomes effective 30 days after receipt of an application to surrender the license or within a shorter period of time as the director may determine, unless a revocation or suspension proceeding is pending when the application is filed or a proceeding to revoke or suspend or to impose conditions upon the surrender is instituted within 30 days after the application is filed. If this proceeding is pending or instituted, surrender becomes effective at the time and upon the conditions as the director by order determines.

(b) If the director finds that any plan is no longer in existence, or has ceased to do business or has failed to initiate business activity as a licensee within six months after licensure, or cannot be located after reasonable search, the director may by order summarily revoke the license of the plan.

(c) The director may summarily suspend or revoke the license of a plan upon (1) failure to pay any fee required by this chapter within 15 days after notice by the director that the fee is due and unpaid, (2) failure to file any amendment or report required under this chapter within 15 days after notice by the director that the report is due, (3) failure to maintain any bond or insurance pursuant to Section 1376, (4) failure to maintain a deposit, insurance, or guaranty arrangement pursuant to Section 1377, or (5) failure to maintain a deposit pursuant to Section 1300.76.1 of Title 28 of the California Code of Regulations.