article 15, paragraphe 1, premier alinéa, article 15, paragraphe 1, deuxième alinéa, première et troisième phrases, article 15, paragraphe 2, et article 15, paragraphe 4, deuxième phrase;
the first subparagraph and the first and third sentences of second subparagraph of Article 15(1), Article 15 (2) and the second sentence of Article 15(4);