12/20/1979
https://www.presidency.ucsb.edu...
"Your government has helped, but it is really the great efforts of the people of Ixtlilco el Grande that have made this program a success."
"I hope that you will take every possible advantage of this rare opportunity to learn what you can about an exciting, interesting, intriguing country and people."
"Yours is most important work, and I'm very grateful that our country has dedicated people like you, competent and professional, to represent our great Nation in this great nation."
"By the authority vested in me as President of the United States of America by Section 5317 of Title 5 of the United States Code, I hereby amend Executive Order No. 12076."