Receipt in the context of "Invoice"

The point of sale (POS) or point of purchase (POP) is the time and place at which a retail transaction is completed. At the point of sale, the merchant calculates the amount owed by the customer, indicates that amount, may prepare an invoice for the customer (which may be a cash register printout), and indicates the options for the customer to make payment. It is also the point at which a customer makes a payment to the merchant in exchange for goods or after provision of a service. After receiving payment, the merchant may issue a receipt, as proof of transaction, which is usually printed but can also be dispensed with or sent electronically.

To calculate the amount owed by a customer, the merchant may use various devices such as weighing scales, barcode scanners, and cash registers (or the more advanced "POS cash registers", which are sometimes also called "POS systems"). To make a payment, payment terminals, touch screens, and other hardware and software options are available.

In marketing, a rebate is a form of buying discount and is an amount paid by way of reduction, return, or refund that is paid retrospectively. It is a type of sales promotion that marketers use primarily as incentives or supplements to product sales. Rebates are also used as a means of enticing price-sensitive consumers into purchasing a product. The mail-in rebate (MIR) is the most common. An MIR entitles the buyer to mail in a coupon, receipt, and barcode in order to receive a check for a particular amount, depending on the particular product, time, and often place of purchase. Rebates are offered by either the retailer or the product manufacturer. Large stores often work in conjunction with manufacturers, usually requiring two or sometimes three separate rebates for each item, and sometimes are valid only at a single store. Rebate forms and special receipts are sometimes printed by the cash register at time of purchase on a separate receipt or available online for download. In some cases, the rebate may be available immediately, in which case it is referred to as an instant rebate. Some rebate programs offer several payout options to consumers, including a paper check, a prepaid card that can be spent immediately without a trip to the bank, or even as a PayPal payout.

A post office is a public facility and a retailer that provides mail services, such as accepting letters and parcels, providing post office boxes, and selling postage stamps, packaging, and stationery. Post offices may offer additional services, which vary by country. These include providing and accepting government forms (such as passport applications), and processing government services and fees (such as road tax, postal savings, or bank fees). The chief administrator of a post office is called a postmaster. During the 19th century, when the postal deliveries were made, it would often be delivered to public places. For example, it would be sent to bars or general stores. This would often be delivered with newspapers and those who were expecting a post would go into town to pick up the mail, along with anything that was needed to be picked up in town.

Before the advent of postal codes and the post office, postal systems would route items to a specific post office for receipt or delivery. During the 19th century in the United States, this often led to smaller communities being renamed after their post offices, particularly after the Post Office Department began to require that post office names not be duplicated within a state.

A voucher is a bond of the redeemable transaction type which is worth a certain monetary value and which may be spent only for specific reasons or on specific goods. Examples include housing, travel, and food vouchers. The term voucher is also a synonym for receipt and is often used to refer to receipts used as evidence of, for example, the declaration that a service has been performed or that an expenditure has been made. Voucher is a tourist guide for using services with a guarantee of payment by the agency.

The term is also commonly used for school vouchers, which are somewhat different.