02/27/1949
https://www.presidency.ucsb.edu...
"No. Period."
"The provisions of sections 501 and 502 of this Executive order shall be subject to the authority delegated to the Secretary of State by this section."
"Salary differentials. Foreign Service staff officers and employees at the posts referred to in section 401, above, shall, while such posts remain Foreign Service differential posts, be paid additional..."
"By virtue of the authority vested in me by section 1 of the act of August 8, 1950, 64 Stat. 419 (Public Law 673, 81st Congress), and as President of the United States, I hereby delegate to the Secreta..."