Stockholm Act (1967): A notification was deposited by the Government of the Kingdom of Belgium in which that Government indicated its desire to avail itself of the provisions of Article 18(2) of the Madrid (Marks) Agreement. That notification entered into force on the date of its receipt, that is, on August 17, 1972. Pursuant to the said Article, the Kingdom of Belgium, which was a member of the Madrid Special Union, could, for five years from April 26, 1970, date of entry into force of the Convention Establishing the World Intellectual Property Organization (WIPO), exercise the rights provided under Article 10 to 13 of the Stockholm Act of the Madrid (Marks) Agreement, as if it were bound by those Articles. (see Madrid (Marks) Notification No. 17)
Nice Act (1957): Pursuant to Article 3bis of the said Act, the Government of Belgium declared that the protection resulting from the international registration shall extend to Belgium only at the express request of the proprietor of the mark. Date of effect: December 15, 1966. (see Industrial Property 1963, No.5, p.94 and Industrial Property 1966, No.12, p.271)
The territories of Belgium, Luxembourg and the Kingdom of the Netherlands in Europe are to be deemed a single country, for the application of the Madrid Agreement as from January 1, 1971.