凭即期付款交单(Documents against Payment,D/P或D/P at sight):指凭即期汇票付款或简单地凭付款而交出单据(The release,delivery of documents against payment of sight drafts or simply against payment.)
允许进口商在付款前开立信托收据(TrustReceipt,简称T/R)交给代收行,凭以借出货运单据先行提货,以便出售,待售得货款后偿还代收行,换回信托收据。
该法又称为见票后若干天付款交单,以开出信托收据换取单据(D/P at xx days after sightto issue trust receipt in exchange,简称D/P, T/R)