California Code, Business and Professions Code - BPC § 7071.7

(a) Except as provided in subdivision (b), the registrar shall accept a bond required by Section 7071.6, 7071.6.5,7071.8, or 7071.9 as of the effective date shown on the bond, if the bond is received by the registrar within 90 days after that date, and shall reinstate the license to which the bond pertains, if otherwise eligible, retroactive to the effective date of the bond.

(b) Notwithstanding subdivision (a), the registrar shall accept a bond as of the effective date shown on the bond, even if the bond is not received by the registrar within 90 days after that date, upon a showing by the licensee, on a form acceptable to the registrar, that the failure to have a bond on file was due to circumstances beyond the control of the licensee. The registrar shall reinstate the license to which the bond pertains, if otherwise eligible, retroactive to the effective date of the bond.