Article 65 of the Contract Law: If the parties agree that a third party will perform the debt to the creditor, the third party will not perform the debt or will not perform it.
If the bank's debts are not in conformity with the agreement, the debtor shall bear the liability for breach of contract to the creditor.
Article 100 of the Contract Law Where the parties owe each other debts and the types and quality of the subject matter are different, it may be agreed by both parties through consultation.
To offset.