He is a former Deputy Minister of Government and Foreign Affairs of Nicaragua during the administration of Violeta Barrios de Chamorro (1990 to 1997).

From 2007 to 2012 he was a Deputy in the National Assembly, representing the León department as a member of the Constitutionalist Liberal Party (PLC).

[2] From 1990 to 1987, Pallais was Vice-Minister of the Government and Foreign Affairs of Nicaragua, under President Violeta Barrios de Chamorro.

[3] From 2007 to 2012 he was a deputy in the National Assembly of Nicaragua, representing the León Department with the Constitutional Liberal Party (PLC).

[2] In June 2020, Pallais resigned from the Civic Alliance for Justice and Democracy (ACJD) because of the group’s hesitation in signing onto the Statutes of the National Coalition, which he helped draft.