California Code, Government Code - GOV § 13140

(a) “Permit” includes application, license, certificate, or authorization.

(b) “Fee” includes any monetary exaction imposed or collected for or as a condition precedent to the issuing, making, taking or securing of any permit, filing, examination, or inspection.

(c) “Excess payment to a revolving fund” means overpayment received by a state agency in connection with a revolving fund in the State Treasury maintained by such an agency for the purpose of assisting persons under the jurisdiction or care of the agency, or providing for the welfare of such persons.

(d) “Erroneous or excessive payment” means any moneys received by a state agency in error or the portion of any payment received that is in excess of the amount due.