United States Army Institute of Heraldry

The Institute of Heraldry, officially The Institute of Heraldry, Department of the Army, is an activity of the Administrative Assistant to the Secretary of the Army solely responsible for furnishing heraldic services to the President of the United States and all federal government agencies. Title 18 of the United States Code, Chapter 33, Section 704 and Title 32 of the Code of Federal Regulations, Part 507 permit the institute to issue directives on how military insignia are displayed, the criteria for issuance, and how insignia will be worn on military uniforms.

Source: Wikipedia — United States Army Institute of Heraldry (CC BY-SA 4.0)