1. If the debt is not repaid, you can choose to sue, provided that there is evidence and it is within the limitation of action.
2. Evidence can include IOUs, audio recordings, payment vouchers, etc. The debit note is the original and shall not be altered or copied.
3. If the repayment date is indicated, the limitation of action shall be within two years from the date of maturity of the IOU; If there is no repayment date, you can ask for repayment at any time, within two years from the date of the first recovery.
4. After the judgment of the court, if the other party does not apply to the court for compulsory execution, it may seize the debtor in bad faith. If the debtor dies, he can pay off from his estate.
Legal basis: Article 2 of the Tort Liability Law of People's Republic of China (PRC) infringes upon civil rights and interests, and shall bear tort liability according to this law. The civil rights and interests mentioned in this Law include personal rights and property rights such as the right to life, health, name, reputation, honor, portrait, privacy, marital autonomy, guardianship, ownership, usufructuary right, security right, copyright, patent right, trademark exclusive right, discovery right, stock right and inheritance right.