Any lien for labor or materials provided for in this chapter may be assigned by written instrument accompanied by delivery of possession of the aircraft subject to the lien and the assignee may exercise the rights of a lienholder pursuant to this chapter. Any lienholder assigning a lien shall at the time of the assignment give written notice, either by personal delivery or by registered mail with return receipt requested, to the legal owner of the property covered by the lien, including the name and address of the person to whom the lien is assigned.
Source:
Section 1208.63, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CCP§ionNum=1208.63..