22 U.S.C. § 254c : US Code - Section 254C: Extension of more favorable or less favorable treatment than provided under Vienna Convention; authority of President

Search 22 U.S.C. § 254c : US Code - Section 254C: Extension of more favorable or less favorable treatment than provided under Vienna Convention; authority of President

The President may, on the basis of reciprocity and under such
terms and conditions as he may determine, specify privileges and
immunities for the mission, the members of the mission, their
families, and the diplomatic couriers which result in more
favorable treatment or less favorable treatment than is provided
under the Vienna Convention.