Article 27 (1) Everyone has the right to associate freely with others for the protection of her economic and social interests. (2) Trade unions shall be established independently of the state. No limits may be placed upon the number of trade union organizations, nor may any of them be given preferential treatment in a particular enterprise or branch of industry. (3) The activities of trade unions and the formation and activities of similar associations for the protection of economic and social interests may be limited by law in the case of measures necessary in a democratic society for the protection of the security of the State, public order, or the rights and freedoms of others. (4) The right to strike is guaranteed under the conditions provided for by law; this right does not appertain to judges, prosecutors, or members of the armed forces or security corps. Article 44 Restrictions may be placed upon the exercise of the right of enterprise and of other economic activity, as well as of the right enumerated in Article 20 para. 2, by judges and prosecutors; by employees in state administration and in territorial self-government, holding the positions specified therein as well as upon their exercise of the right enumerated in Article 27 para. 4; by members of security corps and members of the armed forces, as well as, insofar as such is related to the performance of their duties, upon their exercise of the rights listed in Articles 18, 19, and 27 paras. 1 to 3. A law may place restrictions upon the exercise of the right to strike by persons who engage in professions essential for the protection of life and health.