(1) A person subject to this code who, while in the hands of a captor in time of declared state emergency, or civil disturbance emergency shall not do any of the following:

    (a) To secure favorable treatment by the person's captors, act without proper authority in a manner contrary to law, custom, rule, or regulation to the detriment of others.

    (b) While in a position of authority over those persons, maltreat them without justifiable cause.

    (2) A person who violates this section shall be punished as a court-martial directs.