[1] In 1967, the same year that Passarinho retired from the Brazilian Army with the rank of colonel, President Artur da Costa e Silva appointed him as Minister of Labor, which he headed from 1967 to 1969.

[1] President Artur da Costa e Silva suffered from deteriorating health throughout 1969 and left office in August 1969, just a few months before his death in December 1969.

In August 1979, Passarinho helped to draft a political amnesty deal, which abolished the ruling National Renewal Alliance (ARENA) as well as the Brazilian Democratic Movement (MDB).

[1] In November 1986, following the end of military rule, Passarinho was elected to the interim Brazilian Constituent Assembly from Pará as a member of the Democratic Social Party (PDS).

[1] His funeral, with full military honors, was held at the Paróquia Militar do Oratório with burial at the Campo da Esperança cemetery in Brasilia.

[1] Dignitaries in attendance at the funeral included the head of the Institutional Security Cabinet, Army General Sérgio Etchegoyen, and Minister of the Supreme Federal Court Marco Aurélio Mello.

[1] Interim President Michel Temer, Chief of Staff of Brazil Eliseu Padilha, and other officials released statements praising Passarinho's contributions to the country.