(7) The term “inactive-duty training” means— (A) duty prescribed for Reserves by the Secretary concerned under section 206 of title 37 or any other provision of law; and (B) special additional duties authorized for Reserves by an authority designated by the Secretary concerned and performed by them on a voluntary basis in connection with the prescribed training or maintenance activities of the units to which they are assigned. Such term includes those duties when performed by Reserves in their status as members of the National Guard.
10 USC § 101(d)(7)
None identified. Default scope is assumed to be the entire title.