Revocable letter of credit: in this type of credit, buyer and the bank which has established the LC are able to manipulate the letter of credits or make any kinds of corrections without informing the seller and getting permissions from him.可撤銷信用狀:在此類信用狀中,買方及開立信用狀的銀行能夠操縱信用狀或進行任何種類的更正,而無需告知賣方並取得其許可。