# § 254c. Extension of more favorable or less favorable treatment than provided under Vienna Convention; authority of President
**(a)** **In general** 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.
**(b)** **Consular immunity**
**(1)** **In general** April 24, 1963December 24, 1969
The Secretary of State, with the concurrence of the Attorney General, may, on the basis of reciprocity and under such terms and conditions as the Secretary may determine, specify privileges and immunities for a consular post, the members of a consular post, and their families which result in more favorable or less favorable treatment than is provided in the Vienna Convention on Consular Relations, of (T.I.A.S. 6820), entered into force for the United States on .
**(2)** **Consultation** Before exercising the authority under paragraph (1), the Secretary of State shall consult with the Committee on Foreign Affairs and the Committee on Appropriations of the House of Representatives and the Committee on Foreign Relations and the Committee on Appropriations of the Senate regarding the circumstances that may warrant the need for privileges and immunities providing more favorable or less favorable treatment than is provided in the Vienna Convention.
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**Source Credit**: (Pub. L. 95–393, § 4, Sept. 30, 1978, 92 Stat. 809; Pub. L. 97–241, title II, § 203(b)(3), Aug. 24, 1982, 96 Stat. 291; Pub. L. 114–323, title V, § 501, Dec. 16, 2016, 130 Stat. 1935; Pub. L. 115–94, § 2(e), Dec. 18, 2017, 131 Stat. 2038.)
## Editorial Notes
### Amendments
2017—Subsec. (b)(2). substituted “and the Committee on Appropriations of the House of Representatives and the Committee on Foreign Relations and the Committee on Appropriations” for “of the House of Representatives and the Committee on Foreign Relations”.
2016— designated existing provisions as subsec. (a), inserted heading, and added subsec. (b).
1982— substituted “immunities for the mission, the members” for “immunities for members” and “diplomatic couriers which” for “diplomatic couriers of any sending state which”.
## Statutory Notes and Related Subsidiaries
### Effective Date of 1982 Amendment
Amendment by effective , see , set out as an Effective Date note under .
### Effective Date
Section effective at end of ninety-day period beginning on , see , set out as a note under .
## Executive Documents
### Ex. Ord. No. 12101. Delegation of Functions to Secretary of State Respecting Privileges and Immunities for Diplomatic Missions and Personnel
Ex. Ord. No. 12101, , 43 F.R. 54195, as amended by Ex. Ord. No. 12608, , 52 F.R. 34617, provided:
By the authority vested in me as President of the United States of America by the Diplomatic Relations Act (, ; et seq.) and of the United States Code, in order to implement the liability insurance and other requirements relating to diplomatic personnel, I hereby designate and empower the Secretary of State to perform, without the approval, ratification, or other action of the President, the functions vested or to be vested in the President by Section 4 of Diplomatic Relations Act (; ).