NCR Forms are great for invoices, receipts, service orders, purchase orders, contracts, and much more. Carbonless Form Printing is available in 2 part, 3 part, 4 part NCR Form Paper. Carbonless form paper is ideal for maintaining a carbon copy of a form, commonly associated with a business transaction. This copy can be provided as a receipt to a customer, for record keeping purposes or other. Carbonless forms are often referred to as NCR (No Carbon Required) and are available in 2-part forms, 3-part forms, 4-part carbonless paper.