General Sales Invoice Form This 4 x 6.5 invoice form was designed to be used in a register machine to document sales transactions. This form is called a General Sales Invoice Form because the design is suitable for almost any business in need of a form to document the details of a sale. Available only in black or blue ink and custom printed with your business name, address and phone number. Type: Invoice form Size: 4 x 6.5 Paper: 2 or 3 Part NCR Carbonless Options: Numbering
