Part Article 45 F1

If diplomatic relations are broken off between two States, or if a mission is permanently or temporarily recalled:

(a) the receiving State must, even in case of armed conflict, respect and protect the premises of the mission, together with its property and archives;

(b) the sending State may entrust the custody of the premises of the mission, together with its property and archives, to a third State acceptable to the receiving State;

(c) the sending State may entrust the protection of its interests and those of its nationals to a third State acceptable to the receiving State.