Application of tripartite articles
3.—(1) The tripartite articles shall have the force of law in the United Kingdom—
(a)within a control zone, and
(b)elsewhere for the authorised purposes only.
(2) Without prejudice to paragraph (1) officers belonging to the Kingdom of Belgium and officers belonging to the French Republic shall to the extent specified in the tripartite articles have rights and obligations and powers to carry out functions in the United Kingdom.
(3) For the purpose of giving full effect to Article 17 of the Part II provisions (accommodation, etc., for Belgian authorities) the appropriate Minister may by written notice require any occupier or person concerned with the management of a terminal control point to provide such accommodation, installations and equipment as may be necessary to satisfy requirements determined under Article 16 of the Protocol mentioned in article 2(3)(b) above (which requires the competent authorities of the Kingdom of Belgium and of the United Kingdom to determine their respective requirements in consultation with one another).