Book Keeping records all day to day business transactions on the basis of supporting documents.
The word ‘document means a piece of paper which provides detailed information as a legal nature .
Document is a legal proof for recording every transaction e.g. when we purchase computer for cash
`30,000 we get the cash memo , this cash memo is a source document.
The person or accountant first ensure the reliability and legal proof of the transactions recorded in the books of accounts. Every entry in books of accounts is supported by the relevant documentary evidence .These papers are called
‘Accounting documents’ . The accounting documents are the base for entering business transactions
into the books of accounts