designated Roth contribution
(1) Designated Roth contribution The term “designated Roth contribution” means any elective deferral which— (A) is excludable from gross income of an employee without regard to this section, and (B) the employee designates (at such time and in such manner as the Secretary may prescribe) as not being so excludable.
26 USC § 402A(c)(1)
None identified. Default scope is assumed to be the entire title.