eligible bill
noun[C]
BANKINGukusin the UK, abillofexchange(=documentorderingpaymentforgoodsorservices)that abankapprovedby the Bank ofEnglandhasaccepted, and which the Bank ofEnglandhasagreedtobuyimmediately:
Eligiblebillsarevirtuallyriskfreesince the Bankguaranteestobuyall that areoffered.