It is the text of a treaty, convention, law, decree, regulation, judicial decision, or other official enactment. (Law 9610/1998, art. 8)
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. ([1])
Uploaded a work by Govt. of Brazil from "Brasil, Cartões de Imigração, 1900-1965," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/3:1:33SQ-G5YW-7NN?i=17&cc=1932363 : 12 July 2021), George Sandor, Immigration; citing 1949, Arquivo Nacional, Rio de Janeiro (National Archives, Rio de Janeiro). with UploadWizard