Usance draft to be negotiated at sight basis interest is for Buyers account .

远期 汇票 按 即期 议付，利息由买方承担。

Acceptance of draft : in the case of a usance draft for example at 120 days ' sight it must be presented to the drawee for acceptance .

承兑汇票 倘若 使用 远期 汇票，比如120天远期，它必须向受票人提示并由其承兑。

A usance credits obviously calls for a time draft and the usance varies from 30 days to as long as 180 days even longer .

远期信用 证显然要 使用远期 汇票。付款期限可为30天、60天甚至可长达180天。