Bill of Sale to a Motor Vehicle. MV-028. Fill Out Form 130U: Complete Texas Title Application Form 130U.This form gathers essential information about the vehicle and the new owner. Where can I file my Release of Lien? Looking to file a mechanics lien in Harris County, TX? Here's all the information you need to file your lien with the Harris County Clerk. How to fill out the Bill of Sale for Motor Vehicle in Harris County? 1. Enter the date of sale. 2.