purchase order as a contract, it is common to accompany the acceptance of a purchase order with a legal document such as the terms and conditions of sale, which establish specific or additional legal conditions of the contract. The US Federal Acquisition Regulation states that purchase orders should generally be issued on a fixed-price basis, but provision is also made for unpriced purchase orders to be issued where "it is impractical to obtain pricing in advance of issuance of the purchase order". In the UK, the Office of Government Commerce noted with concern in 2010 that "contracting authorities [were] not always raising purchase orders", and that where they were used, invoices were not always being reconciled to purchase orders before payment. Formats Electronic purchase orders Many purchase orders are no longer paper-based, but rather transmitted electronically over the Internet. It is common for electronic purchase orders to be used to buy goods or services of any type online. There are many names for Electronic Purchase Orders. It is sometimes known as: E-Procurement, E-Purchasing, E-Purchase Requisition. These terms are normally all referring to Electronic Purchase Orders. Non-electronic purchase orders The record of purchase order in most business firms are still on paper and thus there is a need for proper purchase order format. Many users wish to have professional formatting for purchase orders for several reasons. A company may wish to have a strong understanding of purchase transactions or to know the basic requirements of purchase order. It may also make it part of business documentation, which makes the process easier while keeping record of all transactions and to have good impression on the client or customer. Purchase order request A purchase order request or purchase requisition is a request sent internally within a company to obtain purchased goods and services, including stock. The request is a document which tells the purchasing department or manager exactly what items and services are requested, the quantity, source and associated costs. A Purchase Requisition Form (PRF) is filled out prior to purchasing goods as a form of tangible authorisation. Purchase request forms are often used in smaller business who do not have a computer-based system. However, many computer (included web-based solution) systems are available on the market that can facilitate the capture of purchase request information. Purchase order requests can also be passed to the purchasing department via a management information system. A PRF