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| Work Rules | |
| Rules and Procedures of Shareholders Meeting | |
| Rules for Election of Directors | |
| Rules Governing Financial and Business Matters Between this Corporation and its Affiliated Enterprises | |
| Rules and Procedures of Board of Director Meetings | |
| Codes of Ethical Conduct | |
| Self-Regulatory Rules on Disclosure of Merger and Acquisition Information | |
| Procedures for Handling Material Inside Information | |
| Audit Committee's Charter | |
| Remuneration Committee's Charter | |
| Ethical Corporate Management Best Practice Principles | |
| Sustainable Development Best Practice Principles | |
| Corporate Governance Best Practice Principles | |
| Environmental Safety and health management of procurement practices | |
| Performance Evaluation Regulation of the Board of Directors | |
| Risk Management Policy and Procedure | |
| Customer Rights Policy |