Artikel 7

1. Any Member which, before the date of the adoption of the laws or regulations permitting the ratification of this Convention, had laws or regulations restricting the night work of young persons in industry which provide for an age-limit lower than eighteen years may, by a declaration accompanying its ratification, substitute an age-limit lower than eighteen years, but in no case lower than sixteen years, for the age-limit prescribed in paragraph 1 of Article 3.
2. Any Member which has made such a declaration may at any time cancel that declaration by a subsequent declaration.
3. Every Member for which a declaration made in virtue of paragraph 1 of this Article is in force shall indicate each year in its annual report upon the application of this Convention the extent to which any progress has been made with a view to the full application of the provisions of the Convention.