Executive Order 4439—Use of State and Local Officials in Enforcing Prohibition
The Executive Order of January 17, 1873, is hereby amended by the addition of the following paragraph:
In order that they may more efficiently function in the enforcement of the National Prohibition Act, any State, county, or municipal officer may be appointed, at a nominal rate of compensation, as prohibition officer of the Treasury Department to enforce the provisions of the National Prohibition Act and acts supplemental thereto, in States and territories except in those States having constitutional or statutory provisions against State officers holding office under the Federal government.
THE WHITE HOUSE, May 8, 1926.
Calvin Coolidge, Executive Order 4439—Use of State and Local Officials in Enforcing Prohibition Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/328745