(1) A participant of a defined contribution plan shall be allowed to choose an operating method for himself or herself and change the method of operating reserves at least once every half-year.
(2) A retirement pension trustee shall suggest at least three operating methods with different risk and return structures at least once every half year.
(3) A retirement pension trustee shall supply information required by a participant to choose a method of operating reserves, such as information on the probability of making profits and losses for each operating method.