Article 70 Vienna Convention on Consular Relations
Exercise of consular functions by diplomatic missions
1.The provisions of the present Convention apply also, so far as the context permits, to the exercise of consular functions by a diplomatic mission.
2.The names of members of a diplomatic mission assigned to the consular section or otherwise charged with the exercise of the consular functions of the mission shall be notified to the Ministry for Foreign Affairs of the receiving State or to the authority designated by that Ministry.
3.In the exercise of consular functions a diplomatic mission may address:
(a) the local authorities of the consular district;
(b) the central authorities of the receiving State if this is allowed by the laws, regulations and usages of the receiving State or by relevant international agreements.
4.The privileges and immunities of the members of a diplomatic mission referred to in paragraph 2 of this article shall continue to be governed by the rules of international law concerning diplomatic relations.
See also: Article 69 Vienna Convention on Consular Relations