Any lien provided for in this chapter may be assigned by written instrument accompanied by delivery of possession of the livestock, subject to the lien, and the assignee may exercise the rights of a lienholder as provided in this chapter. Any lienholder assigning a lien as authorized herein shall at the time of assigning the lien give written notice of the assignment either by personal delivery or by registered or certified mail, to the legal owner and any other person entitled to receive notice under subdivision (a) of Section 3080.17, including the name and address of the person to whom the lien has been assigned.