This work is in the public domain in Brazil for one of the following reasons:
It is a work published or commissioned by a Brazilian government (federal, state, or municipal) prior to 1983. (; ; )
It is the text of a treaty, convention, law, decree, regulation, judicial decision, or other official enactment. ()
It is a work whose authors' rights belong to the Brazilian government (federal, state, or municipal), for which the economic rights shall be protected for a period of 70 years from the first of January of the year following that of their disclosure or that of the author's demise, whichever is later. ()
This work is in the public domain in Brazil for one of the following reasons:
It is a work published or commissioned by a Brazilian government (federal, state, or municipal) prior to 1983. (; ; )
It is the text of a treaty, convention, law, decree, regulation, judicial decision, or other official enactment. ()
It is a work whose authors' rights belong to the Brazilian government (federal, state, or municipal), for which the economic rights shall be protected for a period of 70 years from the first of January of the year following that of their disclosure or that of the author's demise, whichever is later. ()