4. Additional immunities and privileges of OECD

In addition to its immunities and privileges under the IO Order, the OECD enjoys the following immunities and privileges:

inviolability of the official communications and correspondence of the OECD;

freedom from censorship of its official correspondence and communications and the right to use codes;

the right to dispatch and receive official communications and correspondence by courier or in a sealed bag, such courier to enjoy the same inviolability as a diplomatic courier, and such bag and courier to have the same status as a diplomatic bag, under Article 27 of the Vienna Convention on Diplomatic Relations.