Requirement to issue reasoned decision

LeyGeneral del Sistema de Medios de Impugnación en Materia Electoral (published1996-11-22, last amended 2008-07-01), http://www.diputados.gob.mx/LeyesBiblio/pdf/149.pdf

English version (not updated): http://www.trife.gob.mx/en/consultations/law-means-impugnment