CHAPTER III - ECONOMIC, SOCIAL, AND CULTURAL RIGHTS Article 26. Progressive Development The States Parties undertake to adopt measures, both internally and through international cooperation, especially those of an economic and technical nature, with a view to achieving progressively, by legislation or other appropriate means, the full realization of the rights implicit in the economic, social, educational, scientific, and cultural standards set forth in the Charter of the Organization of American States as amended by the Protocol of Buenos Aires. CHAPTER IV - SUSPENSION OF GUARANTEES, INTERPRETATION, AND APPLICATION Article 27. Suspension of Guarantees 1. In time of war, public danger, or other emergency that threatens the independence or security of a State Party, it may take measures derogating from its obligations under the present Convention to the extent and for the period of time strictly required by the exigencies of the situation, provided that such measures are not inconsistent with its other obligations under international law and do not involve discrimination on the ground of race, color, sex, language, religion, or social origin. 2. The foregoing provision does not authorize any suspension of the following articles: Article 3 (Right to Juridical Personality), Article 4 (Right to Life), Article 5 (Right to Humane Treatment), Article 6 (Freedom from Slavery), Article 9 (Freedom from Ex Post Facto Laws), Article 12 (Freedom of Conscience and Religion), Article 17 (Rights of the Family), Article 18 (Right to a Name), Article 19 (Rights of the Child), Article 20 (Right to Nationality), and Article 23 (Right to Participate in Government), or of the judicial guarantees essential for the protection of such rights. 3. Any State Party availing itself of the right of suspension shall immediately inform the other States Parties, through the Secretary General of the Organization of American States, of the provisions the application of which it has suspended, the reasons that gave rise to the suspension, and the date set for the termination of such suspension. Article 28. Federal Clause 1. Where a State Party is constituted as a federal state, the national government of such State Party shall implement all the provisions of the Convention over whose subject matter it exercises legislative and judicial jurisdiction.