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 Presidente do Brasil from [https://www.camara.leg.br/proposicoesWeb/prop_mostrarintegra?codteor=1196787 PL 1091/1963: Dossiê digitalizado]. Câmara dos Deputados. with UploadWizard