Bills in a broad sense include all kinds of securities and vouchers, such as stocks, corporate bonds, invoices, bills of lading and so on. Narrow sense of bills, that is, the "bills" stipulated in Bill Law, China, includes bills of exchange, promissory notes and checks.

Pointing out that the negotiable securities issued by the drawee agree that he or the entrusted drawee will unconditionally pay a certain amount to the payee or the holder at sight or on a specified date? .

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(1) Bills are liquid securities.

The correct setting on the bill is the payment currency.

(2) Bills are important securities.

Bills must have statutory format requirements.

(3) Bills are written securities.

The rights and obligations on a negotiable instrument are determined only by the literal meaning recorded on the instrument, and any facts and evidence other than the literal meaning of the instrument cannot be used as evidence to identify the rights and obligations on the instrument.

(4) The bill is negotiorum gestio.

The rights and obligations of negotiable instruments are invalid for any reason.