A.國(guó)債必須無所有權(quán)爭(zhēng)議
B.應(yīng)核實(shí)質(zhì)押國(guó)債真實(shí)性，確認(rèn)未掛失、止付
C.借款人無需將國(guó)債憑證交銀行占有，國(guó)債質(zhì)押自質(zhì)押合同簽訂時(shí)生效
D.應(yīng)防止質(zhì)押后國(guó)債被掛失、止付、更改密碼、再質(zhì)押、轉(zhuǎn)讓，以致日后質(zhì)權(quán)實(shí)現(xiàn)受到影響