Firearm Bill of Sale – This form will prove sale or trade-in complete agreement between all involved parties of a gun. Download: PDF, MS Word, OpenDocument.The document is a motorcycle purchase agreement between buyer Azhar Khan and seller Ali Hassan. You, the Buyer (and CoBuyer, if any), may buy the vehicle below for cash or on credit. Contractor shall procure eighty-nine (89) new transit bus bicycle racks and install eighty-five (85) (4 are spares) new transit bus bicycle racks from. A standard form purchase and sale agreement is a type of contract template where blank spaces are built-in, which makes them easier to personalize. The agreement is a legal document that outlines the conditions and terms of the sale.