a simple document on the basis of which an act of payment for goods delivered and services rendered is drawn up (Quick invoice).
a document that states the commitment of the seller to deliver goods and services to the buyer for an agreed-upon price.
sent to the client to pay for the work performed or hourly payment for services (Time-sheet Invoice).
an invoice for payment for services performed, including outsourcing, for example, design or other creative projects.
often used to agree on a list of goods or services, get acquainted with prices and does not require payment.