The Internal Audit function reports directly to the President Director of the Company and is led by the Internal Audit Manager (as the head of the Internal Audit Unit), who is appointed by the President Director with the approval of the Board of Commissioners. The main tasks of Internal Audit are to assess the effectiveness of the internal control system and risk management system, test compliance with rules and regulations applicable in the company, examine and assess efficiency and effectiveness in the fields of finance, accounting, operations, human resources, information technology and other activities. The implementation of tasks is carried out with reference to the assignment letter from the President Director; which contains the scope and limitations of the examination during a certain period of time. In 2022, the Internal Audit Unit has examined and assessed the efficiency and effectiveness of the company's activities in several areas, including inventory management activities, maintenance activities, plant activities, and provided objective improvement recommendations related to each area examined and agreed upon by the relevant management.