Legal analysis: 1. Preparation of documents: check whether the sales documents in arrears are complete; 2. Data collection: ask the customer to provide the reasons for the arrears of payment, and collect data to prove its correctness; 3. recourse documents: establish three different levels of recourse documents-notice, warning and lawyer's letter, and issue them in time according to the situation; 4. Time limit: ask customers to know the time limit and its consequences, and let customers know the meaning of the time limit; 5. Action escalation: hand over the money to a higher manager to increase the pressure; 6. Prosecution: set up the company's internal legal department, and issue a lawyer's letter in the name of the legal department to warn that tolerance has expired; 7. Adjustment: installment payment, penalty interest, suspension of several installments, etc. shall be adopted to recover the payment.
Legal basis: Article 188 of the Civil Law of People's Republic of China (PRC) requests the people's court to protect civil rights, and the limitation of action is three years. Where there are other provisions in the law, those provisions shall prevail. The limitation period of action shall be counted from the date when the creditor knows or should know that the right is damaged and the debtor knows it. Where there are other provisions in the law, those provisions shall prevail. However, the people's court shall not protect the rights that have been damaged for more than 20 years. Under special circumstances, the people's court may decide to extend the time according to the application of the obligee.