22. For Article 83(4) substitute—
“4. In order to ensure the correct and transparent application of this Article:
(a)the appropriate authority may make regulations laying down the conditions for the application of paragraph 1 of this Article;
(b)the Secretary of State may make regulations laying down the conditions for the application of paragraphs 2 and 3 of this Article, as well as the conditions for the holding, circulation and use of the products obtained from the experimental practices referred to in paragraph 3 of this Article.”.