The competent authorities of the States shall by mutual agreement settle the mode of application of paragraph 2 of Article 10, paragraphs 2 and 3 of Article 11, and of paragraph 2 of Article 12.
III Ad Article 10, 11 and 12
The competent authorities of the States shall by mutual agreement settle the mode of application of paragraph 2 of Article 10, paragraphs 2 and 3 of Article 11, and of paragraph 2 of Article 12.