• It is an anonymous work or pseudonymous work and 25 years have passed since the date of its publication
• It is a work published after the death of the author and 50 have passed since the year of death of the author (or last-surviving author)
• It is a photographic or cinematographic work that is not compositive (artistic in nature) and 5 years have elapsed since the end of the year of its publication
• It is a work created by a legal public or private entity and 30 years have passed since the year the work was created
• It is another type of work and than 25 years have elapsed since the the year of death of the author (or last-surviving author) and fifty years have elapsed since the year of publication.
• It is one of "official documents such as texts of laws, decrees, regulations, international agreements, legal judgements and various official documents"

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.