Executive Order 633

It is hereby ordered that on and after June 1, 1907, all official communications or reports from and to executive officers of the territories and territorial possessions of the United States, viz: Arizona, Hawaii, New Mexico, Oklahoma, Porto Rico, Alaska, Indian Territory, Samoa, and Guam, and all official communications or reports relating to territorial matters from and to all executive officers of the United States stationed in such territories and territorial possessions, shall be transmitted through the Secretary of the Interior in such manner and under such regulations as he may prescribe.

, May 11, 1907.