Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country. Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Photograph_of_Aslan_Ashurov.jpg
3. Copyright protection shall be granted only to the form of expression of a work and shall not apply to any ideas, processes, methods or mathematical concepts.
4. Copyright to a work is not connected with the property right to the material object on which the work is expressed.
Article 7. Objects not covered by copyright protection
The following items shall not be objects of copyright:
Official documents (laws, court decisions, other texts of legislative, administrative or judicial character) and their official translations;
State emblems and official signs (flags, arms, anthems, orders, monetary signs and other State symbols and official signs);
Folk creativity (folklore) expressions;
News of day, data about various events and the facts of information character