A.合同簽訂前進(jìn)行報(bào)送,首次透支時(shí)依據(jù)透支金額開立借據(jù),發(fā)生還款時(shí)變更對(duì)應(yīng)借據(jù)余額
B.合同簽訂時(shí)即進(jìn)行報(bào)送,每次透支時(shí)依據(jù)透支金額開立借據(jù),發(fā)生還款時(shí)變更對(duì)應(yīng)借據(jù)余額
C.合同簽訂后報(bào)送,首次透支時(shí)依據(jù)透支金額開立借據(jù),發(fā)生還款時(shí)變更對(duì)應(yīng)借據(jù)余額
D.以上皆可