Top 10 Best Money Order Near Houston, Texas ; 1. Fill-out and send in form and supporting documentation establishing your right to receive the property.Go to the Texas Comptroller's website. It's the agency that keeps track of money and property that's owed to people across the state. If you get a letter that says you have unclaimed money you may not trust it. The Western Union form for I Want To Pay A Bill must be filled out. B. Do not send cash through the mail. All checks and money orders should be made payable to the Harris County Clerk. Answer all questions and fill-in all blanks. Supply photocopies of required documentation .