The second chapter includes two parts going into particulars of the relation between advanced b / l > antidated b / l dissension and trade contract . lt is a stipulation of the period of shippment or delivery in international trad contract and in credit contract . and the date of b / l signed is deemed to the date of shippment or delivery . it must accord with the credit contract 第二章预借、倒签提单纠纷与贸易合同关系,分两部分详细论述。国际贸易中一般都对卖方规定一个交货期或付运期,并将这个日期相应地规定在信用证上,提单签发日期被认为是装船期和装运期,这一日期必须是在信用证规定的装运期内才是可以结汇的提单。