Executive Order 5974—Amendment of Schedule A, Subdivision III, of the Civil-Service Rules
Schedule A, Subdivision III, paragraph 13, of excepted positions under the Treasury Department is hereby amended by the addition of employees engaged at psittacosis investigation stations, to read as follows:
13. All persons actually employed in leprosy, Rocky Mountain spotted fever, yellow fever, and psittacosis investigation stations.
The White House,
December 16, 1932.
Herbert Hoover, Executive Order 5974—Amendment of Schedule A, Subdivision III, of the Civil-Service Rules Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/361530