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The Supreme Tribunal of Justice shall guarantee the supremacy and efficacy of constitutional rules and principles; it shall be the supreme and ultimate interpreter of the Constitution and shall see to the uniform interpretation and application of the same. Interpretations established by the Constitutional Division concerning the contents or scope of constitutional rules and principles are binding on the other division of the Supreme Tribunal of Justice and on all of the other courts of the Republic. (Art. 335)

The Supreme Court and the lower courts of the Nation are empowered to hear and decide all cases arising under the Constitution and the laws of the Nation, with the exception made in Section 75, subsection 12, and under the treaties made with foreign nations; all cases concerning ambassadors, public ministers and foreign consuls; cases related to admiralty and maritime jurisdiction; matters in which the Nation shall be a party; actions arising between two or more provinces, between one province and the inhabitants of another province, between the inhabitants of different provinces, and between one province or the inhabitants thereof against a foreign state or citizen. (Sec. 116)

There shall be a Constitutional Court to guarantee the supremacy of the Constitution, the defense of the constitutional order and the protection of fundamental rights. Its decisions are definitive and irrevocable and constitute binding precedents for the public powers and all the organs of the State. It shall enjoy administrative and budgetary autonomy. (Art. 184)

In specific cases, in every process of whatever competence or jurisdiction, in any instance and in cassation and even before a sentence is decreed, the parties will be able to present as an action [acción], plea [excepción], or incidental issue [incidente], the total or partial unconstitutionality of a law. The tribunal must decide concerning it. (Art. 266)

The following recourses and mechanisms of constitutional control are also established:
1) The Recourse of Habeas Data as guarantee of protection [tutela] of personal data established [asentados] in archives, registers, databases or other technical means, of public or private nature, whose publicity constitutes [an] invasion of personal privacy and has relevance to the treatment of sensitive data of the persons in their intimate and familiar domain [ámbito]. The Recourse of Habeas Data proceeds in favor of any person to know in what circumstances, to what ends, when, and who makes contact with their personal data and its improper [indebida] publicity.
2) The conflict of competence and constitutionality between the Powers of the State. The representatives of the Powers of the State will promote the conflict of competence and constitutionality when they consider that a law, decree or regulation, act, resolution or provision of another organ [órgano], invades the domain of their privative constitutional competences.
3) The control of constitutionality in [a] concrete case as incidental mechanism of control. When in a case submitted to the cognizance of [a] judicial authority, it considers that a norm on whose validity the decision [fallo] depends is contrary to the Constitution, it must proceed to declare its unconstitutionality for that specific [en concreto] case. The parties in the process may solicit the unconstitutionality of a norm that is being applied to the case. The judicial authority must pronounce itself on the point, accepting [acogiendo] or rejecting the claim [pretensión].
4) The conflicts of constitutionality between the Central Government and the Municipal Governments and [Governments] of the Autonomous Regions of the Caribbean Coast.
The Law of Constitutional Justice will regulate the recourses and mechanism established in this chapter.³ (Art. 190)

[The following] are duties and attributions of the Constitutional Chamber:
1. to take cognizance [conocer] and to decide [resolver] on the unconstitutionality of the laws and of other normative instruments, declaring the inapplicability of the provisions contrary to this Constitution in each concrete case and in decision [fallo] that will only be effective in relation with that case, and
2. to decide on the unconstitutionality of the definitive or interlocutory sentences, declaring the nullity of those that result [as being] contrary to this Constitution.
The proceeding may be initiated by [an] action before the Constitutional Chamber of the Supreme Court of Justice, and by way [vía] of an excepción [pleadings of exception] in any instance, in which case the prior records [antecedentes] will rise [se elevarán] to the Court. (Art. 260)

The Popular Action (la Accion Popular) shall proceed against any act or omission by the authorities or individuals or collectives that violates or threatens to violate rights and collective interests related to public patrimony, space, security and health, the environment and other rights of a similar nature that are recognized by this Constitution. (Art. 135)

The special proceedings for protection shall be admissible against those rulings or definitive judgments where there has been a violation, by deed or omission, of the rights enshrined in the Constitution, and they shall be filed with the Constitutional Court. This appeal shall be admissible when regular and special appeals have been exhausted within the legal framework, unless the failure to file these resources was not attributable to the negligence of the person bearing the constitutional right that was infringed. (Art. 94)

Laws may be declared unconstitutional because of their form or content.
The Supreme Court of Justice has original and exclusive jurisdiction over hearing and deciding such matters and must render its decisions in accordance with the requirements governing final judgments. (Art. 184)

The Supreme Court of Justice shall:
1. Try all violators of the Constitution, without exception; … (Art. 239)