(a) Notwithstanding section
1342 of title
31, the Secretary of Defense may accept the gratuitous services of an officer of a reserve component (other than an officer of the Army National Guard of the United States or the Air National Guard of the United States) in consultation upon matters relating to the armed forces.
(b) Notwithstanding section
1342 of title
31, the Secretary of a military department may accept the gratuitous services of an officer of a reserve component under the Secretarys jurisdiction (other than an officer of the Army National Guard of the United States or the Air National Guard of the United States)
(1) in the furtherance of the enrollment, organization, and training of that officers reserve component or the Reserve Officers Training Corps; or
(2) in consultation upon matters relating to the armed forces.