CHAPTER I OF THE REFORM OF THE CONSTITUTIONArticle 373.-
The reform of this Constitution may be ordered by the National Congress, in regular sessions, with two-thirds of votes of all of its members. The decree brought to the effect on the article or articles to be reformed, must be ratified by the subsequent regular parliamentary session of an equal number of votes, to enter into force.
* Article interpreted by Decree 169/1986Article 374.-
may not be reformed, in any case, the previous article, this article , the constitutional articles that relate to the form of government , the national territory, the presidential term, to the ban to be again President of the Republic, the citizen who has played under any title and the relating to those who cannot be Presidents of the Republic by the subsequent period.
* Article interpreted by Decree 169/1986
CHAPTER II OF THE INVIOLABILITY OF THE CONSTITUTIONArticle 375.-
This Constitution does not lose its validity or ceases to be met by act of force or where allegedly repealed or amended by any means and procedure other than the one herself provides. In these cases, every citizen vested or not of authority, has the duty to cooperate in maintaining or restoring their emotional force.
Will Be tried, according to the same constitution and laws issued in accordance with it, responsible for the facts mentioned in the first part of the preceding paragraph, the same as the principal officials of governments that are organised subsequently, if you do not have helped to restore immediately the rule of the Constitution and the authorities formed under it. The Congress may decree with the vote of the absolute majority of its members, the seizure of all or part of the assets of those same people and those who have been enriched under cover of the impersonation.