According to Article 22.1 of the 2015 Civil Code, when a person is incapable of perceiving or controlling his/her actions due to a mental disease or another ailment, the court may, at the request of a person with related rights or interests or of a concerned agency or organization, issue a decision to declare that he/she has lost his/her civil capacity to act, based on the conclusion of a psychiatric medical examination.

When there is no longer a basis for declaring a person as having lost his/her civil capacity to act, the court shall, at the request of such person or a person with related rights or interests or of a concerned agency or organization, issue a decision to cancel the decision declaring the loss of civil capacity to act.

Civil transactions by a person who has lost his/her civil capacity to act shall be established and performed by his/her legal representative.