Article 54. The Fair Trade Commission shall, when it is recognized after a hearing that a violation of the provisions of Article 3, paragraph 1 of Article 4, Article 5, paragraph 1 or paragraph 3 of Article 6, paragraph 1 or paragraph 2 of Article 9, paragraph 1, paragraph 2 or paragraph 4 of Article 10, paragraph 1 or paragraph 2 of Article 11, Article 13, paragraph 1, paragraph 2 or paragraph 3 of Article 14, paragraph 1 of Article 15 (including such cases where said provisions apply mutatis mutandis to Article 16) or Article 17 exists, that unfair methods of competition have been employed in violation of the provisions of Article 19, or that undue substantial disparities in bargaining power exist, order by decision said entrepreneur to take such measures as provided for by Article 7, paragraph 1 of Article 8, Article 17-(2) or Article 20.