Cal. Pub. Res. Code § 4797.5

(a) Any cost share payments advanced pursuant to Section 4795 shall be refunded to the director in the event of either:
1. (1) The filing of an application for rezoning or immediate rezoning pursuant to Section 51120 or 51130 of the Government Code within 10 years of the date an agreement was signed pursuant to Section 4795.
2. (2) A violation of the contract entered into pursuant to subdivision (e) of Section 4797.
  The refund shall bear interest at the prevailing rate from the time of the violation as specified in clause (1) or (2) of this subdivision.
(b) Any loan made pursuant to Section 4796 shall immediately become due and payable in the event of either:
1. (1) The filing of an application for rezoning or immediate rezoning pursuant to Section 51120 or 51130 of the Government Code within 10 years of the making of a loan pursuant to Section 4796.
2. (2) A violation of the contract entered into pursuant to subdivision (f) of Section 4797.
  The refund shall bear interest at the prevailing rate from the time of the violation as specified in clause (1) or (2) of this subdivision.
(c) Upon failure by the landowner to refund such payments or loans, the director may place a lien upon the parcel of property to which a forest resource improvement project applied. The director shall record such lien at the appropriate county office.