The MVA provides a Bill of Sale form. If this form is required, fill it out and have the buyer(s) and seller(s) sign it in the presence of a Notary Public.Sellers can offer, but a buyer representation agreement obliges the buyer to pay a certain fixed amount or rate. Find Maryland Bill of Sale instructions for the sale of a vehicle, boat, horse, firearm, or other valuable property in the state of Maryland. If a bill of sale is required, then you need to complete Form VR-181. Before you sign any paper involved in a new car purchase, take your time, read every line, and ask questions about anything that is not clear. Most forms used in the District Court are contained in this index. Complete lines 1-7 of Part F on Form 502CR. If you itemize deductions, see Instruction 14 in the Maryland resident tax booklet.