Artikel XI

1. The Government shall facilitate, if necessary, the entry, stay and departure of the persons listed below and members of the family forming part of the household for purposes of official business:
a) Staff;
b) other persons, not being European Union citizens, on request of the Director.
2. This Article shall not prevent the requirement of reasonable evidence to establish that persons claiming the treatment provided for in this Article come within the classes described in paragraph 1.
3. Visas which may be required by persons referred to in this Article shall be granted without charge and as promptly as possible.