[7] He set out to the University of Michigan in 1873 over the strong objections of his stake president who felt that going out of Utah to study law would lead an individual to leave the Church.

[10][11] During his tenure, Moyle assisted in the acceptance of city land where the Utah capitol is currently located today[12] and introduced measures such as "compiling of the laws of Utah Territory," "custody of a Territorial Library," "establishment and support of district schools," creation of "an institution for deaf mutes," and "an act relating to life insurance companies.

[15] Moyle served as Assistant Secretary of the Treasury from 1917 to 1921 in the administration of Woodrow Wilson, the first member of the LDS Church to be appointed to a subcabinet position.

[16] In 1933 he was appointed by President Franklin D. Roosevelt, who knew Moyle well having served together in the Wilson administration, as Commissioner of the United States Customs Service and in 1939 as a special assistant to Treasury Secretary Henry Morgenthau.

This mission covered New York, Pennsylvania, West Virginia, Maryland, Delaware the District of Columbia, Connecticut, Massachusetts, Rhode Island and New Jersey.