4. The Government shall establish the procedure for dissemination of press publications, audio, audiovisual works, radio and television programmes, information disseminated in the information society media and other public information assigned to information of erotic, pornographic or violent nature or other restricted public information. Article 20. Duty to Publish Official State Notifications 1. In the event of natural disasters, major accidents or epidemics as well as war or state of emergency, producers and disseminators of public information must, in cases specified by laws and/or the Government and according to the procedure established thereby, publish the official state notifications free of charge and in an efficient manner. 2. In the event of war or state of emergency, the Seimas may, by a law, impose restrictions and/or other obligations on the activities of producers and disseminators of public information necessary to protect the interests of citizens and the public. 3. Refusal to publish the official state notifications in the cases specified in paragraph 1 of this Article shall incur liability in accordance with the procedure established by laws. Article 21. Protection of Copyright and Related Rights Producers and disseminators of public information as well as journalists shall use literary, scientific, artistic and other works in conformity with the Law on Copyright and Related Rights as well as other laws and legal acts. CHAPTER IV LEGAL STATUS AND CONDITIONS OF ACTIVITIES OF PRODUCERS AND DISSEMINATORS OF PUBLIC INFORMATION, THEIR PARTICIPANTS AND JOURNALISTS SECTION ONE REGULATION OF THE STATUS OF PRODUCERS AND DISSEMINATORS OF PUBLIC INFORMATION AND JOURNALISTS Article 22. Producers and Disseminators of Public Information and their Participants 1. The relations between the producers and disseminators of public information and their participants shall be governed by this Law and other laws, legal acts and agreements between the parties. 2. All persons, except for the cases specified in this Law and other laws of the Republic of Lithuania, may produce and/or disseminate information in the Republic of Lithuania. Only legal persons or legal persons established in the states of the European Economic Area and organisations which have no legal personality as well as branches of such legal persons and organisations which have no legal personality established in the Republic of Lithuania and in other states of the European Economic Area may be engaged