Going forward, Mexican voters will now elect judges at every level, dramatically restructuring the third branch of government.

Mexico's judicial reform overhauling the country's courts, which will allow voters to elect judges, officially took effect on Sunday after the text of the constitutional changes was published in the government gazette.

Mexico's judicial reform has triggered investor concerns about uncertainty over the rule of law and the strength of the government's institutions, yet with the reform now priced in, some analysts argue there may be buying opportunities forming.