What information do I need to complete a bill of sale? Instructions. The new owner's social security number, taxpayer identification number (TIN), or federal employer identification number (EIN) is required.Middlesex Management now offers three easy ways to pay your monthly rent bill. Paying your rent has never been easier! This site enables you to interact electronically with the Middlesex South Registry of Deeds. Selling or transferring ownership of a car, boat or other item of personal property? Easily create, print, and download a Bill of Sale in minutes. You can pay court-ordered fines and fees through the Probation Client Portal. The grace period will be extended until December 4, 2024.