Requirement to issue reasoned decision
Brazil
Lei n. 9504 30/09/1997 (ElectionLaw)
Art. 96.
Paragraph 7 After the period provided for in Paragraph 5, having a defense beenpresented or not, the competent body of Electoral Justice shall render andpublish the decision within twenty-four hours.
http://www.tse.jus.br/legislacao/codigo-eleitoral/lei-das-eleicoes/lei-das-eleicoes-lei-nb0-9.504-de-30-de-setembro-de-1997#art90-107