ARTICLE 169. The title of the legislation must correspond precisely to their content, and your text will precede this phrase: "The Congress of Colombia decrees." ARTICLE 170. A number of citizens equivalent to one tenth of the electorate, may apply to the electoral organization convening a referendum for the repeal of a law. The law will be repealed as determined by half plus one of voters who attend the consultation event, if it participates in a quarter of citizens that make up the electoral roll. Do not be a referendum on the laws approving international treaties, or the Budget Act, or those relating to fiscal or tax matters. CHAPTER IV – THE SENATE Article 171. The Senate shall consist of eighty-three (83) senators elected as follows: seventy-eight (78) elected in the national constituency, two (2) special national constituency elected by indigenous communities, and three ( 3) in particular national constituency of political minorities. For the allocation of seats in the national constituency, is taken into account the lists that derive at least two percent (2%) of the votes validly cast.
In the allocation of seats among the lists that exceed this threshold, the system applies repartidora figure defined in Article 263 of the Constitution, the basis for calculating only the total valid votes obtained by these lists. Colombian citizens who are staying or residing abroad may vote in elections for the Senate. The special district for the election of senators by the indigenous communities, is determined by the number repartidora system as defined in Article 263 of the Constitution.