(1) A person who uses force or threats in order to compel another person to be, or not to be, a member of a trade union, to attend or not to attend activities of a trade union, to leave a trade union or to leave a position of management of a trade union shall be sentenced to a penalty of imprisonment for a term of six months to two years.

(2) In the event that the activities of a trade union are prevented by the use of force, threats, or by means of any other unlawful act, a penalty of imprisonment for a term of one to three years shall be imposed.