What is the financial audit after the third-party audit of urban investment projects?

After the city investment project is audited by a third party, it will be paid by the financial audit project. Relevant information shows that after the third-party audit, it is re-audited by the Finance Bureau, and the funds of the audit project are financial. Third-party audit refers to the audit financial report issued by an accounting firm with audit qualification on the financial situation of an enterprise.