They are vouchers documents that must be prepared prior to the registration of any operation.
Accounting Supports.
negotiable accounting supports
They are those that serve as information about the conditions trensaction for security and comfort. With them a debit is paid or supported.
Check
The payout
I´ll pay
Bill of exchange
Non-negotiable accounting supports
Provide the necessary data for the accounting record and is not commercially negotiable.
Cash Receipt
Bill
Disbursement voucher
Consigment
Debit note
Credit note