The seat, classification and the consular district of a consular post are established by the sending State and subject to the approval of the receiving State. The consular functions are referred to in Article 5 of the Vienna Convention . The head of the consular post is provided by the sending State with a notification of appointment containing his capacity and his class as well as the consular district and the seat of the consular post.
Generally, the notification of appointment shall include the functions which will and will not be exercised by the consul and the consular post. If there is a permanent diplomatic mission of the sending State in the receiving State, consular tasks shall be exercised mainly by this mission and tasks of protocol might be relevant during official events in the consular district.