(1) Each retirement pension trustee shall fulfill his or her duty of due care as a good manager.
(2) Each retirement pension trustee shall suggest methods of operating reserves meeting the following requirements:
1. Information on the operating methods shall be readily obtainable and understandable;
2. It shall be easy to switch among the operating methods;
3. The methods of and procedures for evaluating the performance of operation of reserve shall be transparent;
4. In cases of defined contribution plans and individual retirement pension plans, at least one operating method guaranteeing the payment of principal and interest as prescribed by Presidential Decree shall be included;
5. They shall be in line with the operating methods and standards prescribed by Presidential Decree, such as diversified investment, to ensure the mid- and long-term stable operation of the reserves.