“Official fees” means the fees required by law and actually to be paid to the appropriate public officer to perfect a lien or other security interest, on or in goods, retained or taken by a seller under a retail installment contract or installment account, and license, certificate of title, and registration fees imposed by law.
Source:
Section 1802.14, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CIV§ionNum=1802.14..