State Title Name Entered office
 Barbados President of the Senate Sir Stanley Robinson 1966
 Barbados Speaker of the House of Assembly Sir Theodore Brancker 1961
 Bolivia President of the Senate ? 1970
 Bolivia President of the Chamber of Deputies ? 1970
 Brazil President of the Senate João Cleofas de Oliveira[1] 1970
 Brazil President of the Chamber of Deputies Geraldo Freire da Silva[2] 1970
 Canada Speaker of the Senate Hon. Jean-Paul Deschatelets September 5, 1968
 Canada Speaker of the House of Commons Hon. Lucien Lamoureux January 18, 1966
 Chile President of the Senate Tomás Pablo Elorza 1969
 Chile President of the Chamber of Deputies Fernando Humberto Andrés Sanhueza Herbarge[3] July 20, 1970
 Colombia President of the Senate Eduardo Abuchaibe Ramírez[4] 1970
 Colombia President of the Chamber of Representatives ? ?
 Costa Rica President of the Congress Daniel Oduber Quirós[5] 1970
 Dominican Republic President of Assembly Pedro Váldez ? 1966 ?
 Ecuador President of the Senate ? ?
 Ecuador President of the Chamber of Deputies ? ?
 El Salvador President of the Legislative Assembly Dr. Benjamin Iteriano ? 1970 ?
 Guatemala President of the Congress Mario Sandoval Alarcón[6] 1970
 Guyana Speaker of the Legislative Assembly Hon. Rahman Bacchus Gajraj[7] 1968
 Haiti President of the National Assembly Ulrick St. Louis ? ?
 Honduras President of the National Congress Lic. Mario Rivera López 1965
 Jamaica President of the Senate G. S. Ranglin December 7, 1962
 Jamaica Speaker of the House of Representatives Eugene Parkinson 1967
 Mexico President of the Senate Lic. Manuel Aguirre[disambiguation needed] ? 1967 ?
 Mexico President of the Federal Chamber of Deputies Lic. Luis Farias ? 1967 ?
 Nicaragua President of the Senate Dr. Adrían Cuadra Gutiérrez ?
 Nicaragua President of the Chamber of Deputies Dr. Orlando Montenegro ?
 Paraguay President of the Council of State Dr. Juan Ramón Chavez ? 1967 ?
 Trinidad and Tobago President of the Senate J. Hamilton Maurice December 29, 1961
 Trinidad and Tobago Speaker of the House of Representatives A. C. Thomasos December 29, 1961
 USA President of the Senate (The Vice President of the United States of America) Spiro Agnew January 20, 1969
 USA President pro tempore of the Senate Richard B. Russell January 2, 1969
 USA Speaker of the House of Representatives John William McCormack January 10, 1962
 Puerto Rico President of the Senate Rafael Hernández Colón 1969
 Puerto Rico Speaker of the House of Representatives Angel Viera Martínez January 13, 1969
 Uruguay President of the Senate (The Vice President of Uruguay) Dr. Alberto Abdala December 6, 1967
 Uruguay President of the Chamber of Deputies Fernando Elichirigoity[8] March 1, 1970
 Venezuela President of the Senate Dr. José A. Pérez Díaz ? 1968 ?
 Venezuela President of the Chamber of Deputies Prof. Jorge Dargen ? 1968 ?