Artikel 5

1. The premises allotted to the services of the adjoining country within the zone set up in accordance with article 2 may be distinguished on the outside by a notice including a shield in the national colours of that country.
2. Officials and agents of the competent administrations of the adjoining country shall wear national uniform or the distinguishing badge prescribed by the regulations of that country.
3. Officials and agents of the competent administrations of the adjoining country who are called on to go to the station in order to carry out the examinations provided for in this Convention shall be exempt from passport formalities. Production of their offical papers shall be deemed sufficient proof of their nationality, identity, rank and of the nature of their duties.
4. The officials and agents mentioned in paragraphs 2 and 3 of this article shall enjoy, in, the exercise of their duties, the same protection and assistance as the corresponding officials and agents of the country in whose territory the station is situated.
5. Exemption from taxes and charges may be granted under the bilateral agreements provided for in article 3 to officials and agents of the adjoining country residing in the country in whose territory the station is situated.
6. The bilateral agreements referred to in article 3 shall determine:
(a) the maximum numbers of officials and agents of the competent administrations of the adjoining country authorized to carry out examinations in the zone established in accordance with article 2;
(b) the conditions under which their recall may be demanded; and
(c) the conditions under which they may carry arms and use them in the exercise of their duties within the said zone.