Five working days. According to China Postal Savings Bank official website. Corporate enterprises need to check the original or photocopy of the annual inspection of corporate loans, the original and photocopy of the annual inspection of corporate loans, the original and photocopy of the annual inspection of corporate loans, and the original and photocopy of the tax registration certificate. Banks also need to review the balance sheet, income statement and cash flow statement of the previous year before the annual inspection (the official seal of the unit must be affixed). The audit time is expected to be 5 days, so the company's credit card can be used normally within 5 working days after the annual inspection.