Difference Between Invoice And Voucher

An Invoice is an external document issued by the suppliers / vendors containing listing goods, quantities, price lists, etc., after they received purchase order from the buyer while a voucher is an internally generated document issued by Accounts Payable Department for business own records and to get approval for making payments against the invoice received from supplier or vendor.

Types of Invoice may include Purchase Invoice, Sales Invoice, etc., while voucher may include Purchase Voucher, Sales Voucher, Journal Voucher, etc.