For the person who draws the bill of exchange and gets it back after its due acceptance, it is a bill receivable. For the person who accepts the bill, it is a bills payable. In case of a promissory note for the maker it is a bills payable and for the person in whose favour the promissory note is drawn it is a bills receivable. Bills receivables are assets and Bills payable are liabilities. Bills and Notes are used interchangeably.