How does the seller write a certificate to the buyer that the property fee is owed?

The explanation of unpaid property fees shall include the applicant's information, application items, facts and reasons, and attach corresponding legal basis. Focus on the facts and reasons, and explain the reasons and legitimacy of the arrears.

Article 944 of the Civil Code of People's Republic of China (PRC), the owner shall pay the property fee to the property service provider as agreed. If the property service provider has provided services in accordance with the agreement and relevant regulations, the owner shall not refuse to pay the property fee on the grounds that he has not accepted or does not need to accept the relevant property services. If the owner fails to pay the property fee within the time limit in violation of the agreement, the property service provider may urge him to pay it within a reasonable period of time; If the payment is not made within a reasonable period, the property service provider may bring a lawsuit or apply for arbitration. The property service provider shall not stop power supply, water supply, heat supply and gas supply to demand payment of property fees.