It is an anonymous work or pseudonymous work and 50 years have passed since the date of its publication (or creation, whatever date is the latest)
It is a collective or audiovisual work and 50 years have passed since the date of its publication (or creation, whatever date is the latest)
It is another kind of work, and 50 years have passed since the year of death of the author (or last-surviving author)
It is one of "laws, legislative decrees, decrees and decisions issued by all public authorities and official translations thereof"
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
Note that this work might not be in the public domain in countries that do not apply the rule of the shorter term and have copyright terms longer than life of the author plus 50 years. In particular, Mexico is 100 years, Jamaica is 95 years, Colombia is 80 years, Guatemala and Samoa are 75 years, Switzerland and the United States are 70 years, and Venezuela is 60 years.
This work may not be in the public domainin the United States because its U.S. copyright was restored by the URAA as it was still copyrighted in its source country on the URAA date (January 1, 1996 in most cases but see Wikipedia:Non-U.S. copyrights for details). In most cases, it is copyrighted in the U.S. until 95 years after the year in which it was initially published (exceptions are works published after 1977; see Commons:Hirtle chart).This template may not be used for files uploaded after 1 March 2012.
If you are the copyright holder of this file, and do not wish to have it hosted on Commons, please contact our designated agent or nominate the file for deletion, explaining the situation.