92. A promissory note, bill of exchange or cheque is said to be dishonoured by non-payment when the maker of the note, acceptor of the bill or drawee of the cheque makes default in payment upon being duly required to pay the same.
Negotiable Instruments Act, 1881
Section 92: Dishonour by non-payment
Chapter VIII — Of Notice of Dishonour
Source: official text of the Negotiable Instruments Act, 1881.