The Registration Information Request for Lien Sale (INF 1126) form, available at dmv.ca. Learn about bills of sale in California for animals, vehicles, firearms, and more.How to fill out the Lien Sale Authorization Application - California DMV? 1. Gather the required vehicle and lien information. 2. The seller who sells the car must give the new buyer a bill of sale and issue a release of liability. Go to California's DMV web site and follow the instructions to making an appointment unless you like waiting in an outside line in the hea.