成都华微: 成都华微电子科技股份有限公司内部审计管理制度

General Principles - The internal audit management system aims to establish a robust internal audit framework to enhance supervision, protect the company's legal rights, and improve economic efficiency for sustainable development [1] - Internal audit is defined as the examination and evaluation of the company's financial status, asset quality, operational performance, major projects, internal controls, and integrity [1][2] - Internal control is a process designed to provide reasonable assurance regarding compliance with laws, operational efficiency, asset security, and accurate information disclosure [1][2] Audit Department Structure and Responsibilities - The audit department is responsible for implementing internal audits and must maintain independence from the finance department [2][3] - The audit department reports to the board of directors and the audit committee, ensuring that significant issues are communicated directly to the audit committee [2][3] - The audit department's main responsibilities include evaluating the integrity and effectiveness of internal controls, auditing financial and economic data, and assisting in establishing anti-fraud mechanisms [3][4] Reporting and Evaluation - The audit department must report to the audit committee at least quarterly, detailing the execution of the internal audit plan and any issues discovered [4] - An annual internal control evaluation report must be submitted to the board, which includes a declaration of the report's authenticity and an evaluation by an external auditing firm [4][5] - The audit committee is responsible for assessing the internal control system and reporting any significant deficiencies or risks to the Shanghai Stock Exchange [5] Audit Evidence and Documentation - Audit evidence must be sufficient, relevant, and reliable, with clear documentation maintained for at least ten years [6] - The audit department is required to establish a working paper system and manage related documentation according to legal requirements [6] Accountability and Compliance - The company may implement incentive and accountability mechanisms for the audit department, rewarding outstanding performance and addressing misconduct [7] - Internal auditors are protected from accountability for failing to identify significant risks if they have followed necessary procedures [7] Final Provisions - The internal audit management system is established by the board of directors and takes effect upon approval [8] - Any amendments to the system must also be approved by the board of directors [8]