14. Regarding challengeable rulings, Article 475 of the CPPM indicates the following: In addition to the cases especially provided for by law and with the limitations set in the following articles, this appeal against final judgments or the writs that put an end to the proceeding or sentencing or that make it impossible to continue them or that deny the termination, commutation or suspense of any of them. 15. Regarding the filing of this appeal, Article 480 of the CPPM, almost identical to Article 463 of the CPPN, establishes that: The cassation appeal shall be filed before the court that issued the ruling within 15 days after notification and in writing with the attorney’s signature, where the legal provisions that are deemed to have been breached or erroneously applied shall be cited and the application that is being called for shall be indicated. Each reason must be indicated separately with its justifications. Outside of this opportunity no other reason can be claimed. The complainant must indicate if he or she shall report orally. 16. Regarding the admissibility or rejection of the appeal, Article 461 of the CPPM indicates that: Inadmissibility or Rejection. The appeal shall not be granted by the Court that issued the ruling being challenged when the latter is not subject to appeal or when it is not filed on time by whoever is entitled to file it. If the appeal is inadmissible, the higher court must declare it is so, without making any ruling about the merits. It must also reject the appeal when it is evident that it is substantively out of order. 17. As for the extraordinary federal appeal, the Civil and commercial Procedural Code of the Nation establishes the following: Article 256. The extraordinary appeal filed before the Supreme Court shall proceed on the basis of the assumptions established in Article 14 of Law 48. Article 257. The extraordinary appeal must be filed before the judge, court, or administrative body that issued the ruling that is at the origin of the appeal and it must be filed in writing within ten (10) days of the notification, as well as substantiated on the basis of what is set forth in Article 15 of Law 48. 18. As for Article 14 of Law 48, it stipulates the following: Once a case has been filed in the Courts of the Province, it shall be heard and judged in the provincial jurisdiction, and judgments issued by superior provincial courts can only be appealed in the Supreme Court in the following cases: When the complaint has challenged the validity of a Treaty, a Law enacted by Congress, or an authority exercised on behalf of the Nation and the ruling has been against its validity. When the validity of a law, decree, or authority of a Province has been challenged because it is claimed that it goes against the National Constitution, Treaties, or laws enacted by Congress and the ruling has supported the validity of said law or provincial authority. When the intelligence of any clause of the Constitution or Treaty or law enacted by Congress or a commission exercised on behalf of the national authority has been challenged and the 3