Origin of Transactions Sources Documents and Preparation of Voucher — Account STD 11 Commerce — Question

Document is an evidence of a transaction or an event and are known as Source Documents based on which accounts are debited or credited with the transacted amount. Source document is of prime importance in accounting because accounting is based on factual financial information, i.e., evidence. For example, a cash memo showing cash sales, an invoice showing sales of goods on credit, bills of purchases showing purchases of goods on credit, a receipt made out by the receiver for cash received, etc. These documents are Source Documents and are evidence in support of a transaction. They are also sometimes called supporting documents.