What to do after the IOU is paid off is as follows:

1. When repaying the money, you must ask for the IOU in person;

2. Identify the IOU you get back clearly. Is it the one I signed originally?

An IOU is a written document indicating the relationship between creditor and debt. It is usually written and signed by the debtor, indicating that the debtor has owed the creditor the amount specified in the IOU. After the money and property are returned, the person who wrote the IOU will take back the IOU and the IOU. Immediately void. The basic content of the IOU includes the creditor's name, loan amount, interest calculation, repayment time, loan date and other elements.

Creditors refer to financial institutions such as banks, lenders, and suppliers. Creditors either gave the company loans or provided the company with inventory, supplies and equipment. As a creditor, what you are most concerned about is whether you can obtain the principal and interest of the loan and receive the payment in time. In Roman law, debts had a strictly personal nature, and claims and debts were not transferable.

Legal Basis

"The People's Republic of China and the Civil Code"

Article 667 A loan contract is a loan from a borrower to a loan. A contract to repay the loan and pay interest on time. Article 681 A guarantee contract is a contract in which the guarantor and the creditor agree that, in order to ensure the realization of the creditor's rights, the guarantor will perform the debt or assume liability when the debtor fails to perform the due debt or a situation agreed upon by the parties occurs. Article 682 A guarantee contract is a subsidiary contract to the principal creditor's rights and debts contract. If the principal creditor's rights and debts contract is invalid, the guarantee contract shall be invalid, unless otherwise provided by law.

After the guarantee contract is confirmed to be invalid, if the debtor, guarantor and creditor are at fault, they shall each bear corresponding civil liability according to their faults. Article 687 If the parties agree in the guarantee contract that when the debtor is unable to perform the debt, the guarantor shall bear the guarantee liability, it is a general guarantee.

The guarantor of a general guarantee has the right to refuse to assume guarantee liability to the creditor before the dispute over the main contract has not been tried or arbitrated and the debtor's property has been enforced in accordance with the law and the debtor is still unable to perform the debt. However, if there is any of the following circumstances: Exceptions:

(1) The debtor’s whereabouts are unknown and there is no property available for execution;

(2) The People’s Court has accepted the debtor’s bankruptcy case;

(3) ) The creditor has evidence proving that the debtor's property is insufficient to fulfill all debts or has lost the ability to perform debts;

(4) The guarantor expresses in writing a waiver of the rights stipulated in this paragraph.