Article 66 Exemption from taxation An honorary consular officer shall be exempt from all dues and taxes on the remuneration and emoluments which he receives from the sending State in respect of the exercise of consular functions. Article 67 Exemption from personal services and contributions The receiving State shall exempt honorary consular officers from all personal services and from all public services of any kind whatsoever and from military obligations such as those connected with requisitioning, military contributions and billeting. Article 68 Optional character of the institution of honorary consular officers Each State is free to decide whether it will appoint or receive honorary consular officers. C HAPTER IV. G ENERAL P ROVISIONS Article 69 Consular agents who are not heads of consular posts 1. Each State is free to decide whether it will establish or admit consular agencies conducted by consular agents not designated as heads of consular post by the sending State. 2. The conditions under which the consular agencies referred to in paragraph 1 of this article may carry on their activities and the privileges and immunities which may be enjoyed by the consular agents in charge of them shall be determined by agreement between the sending State and the receiving State. Article 70 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; 26