Article 40 (a) of the Operational Guidelines for the Suitability System of Financial Futures Investors stipulates that other income certificates provided by investors shall be the income certificates stamped by the personnel department or labor department of the current employer.

Among them, Article 39 (b) stipulates that the payslip provided by the investor shall be the certificate issued by the bank, such as the bank card receipt of the payslip for more than three consecutive months, the current passbook of the payslip, etc.

Article 38 (c) stipulates that the income tax payment certificate provided by investors to the tax authorities shall be the personal income tax bill for the latest year issued by the tax registration department.

Article 37 (d) stipulates that the annual income certificate provided by the investor shall be the income tax certificate issued by the tax authorities, the salary bill issued by the bank or other income certificates.