It is awarded annually by the Portuguese Direcção-Geral do Livro e das Bibliotecas (National Book Department) and the Brazilian Fundação Biblioteca Nacional (National Library Foundation) to the author of an outstanding oeuvre of work written in Portuguese.
通年ポルトガルのFundação Biblioteca Nacional（国民図書館財団）とブラジルのDepartamento Nacional do Livro（国民書籍部門）によってポルトガル語で傑出した作品を著した著者に与えられる。