Sichuan tax authorities should solve all kinds of service complaints within a time limit. Complaints about service words and deeds shall be settled within 5 working days from the date of acceptance. Complaints against the legitimate rights and interests of taxpayers, such as service quality and efficiency, shall be settled within 10 working days from the date of acceptance. The tax authorities shall promptly handle complaints about personal income tax services made by natural taxpayers, social insurance premiums and non-tax revenue collection services made by natural payers, and service complaints involving the implementation of other major policies, and settle them within 3 working days from the date of acceptance.