Modifies clauses in subsection (a)(12) to require that certain operators/license holders be citizens or lawful permanent residents or qualifying nonimmigrant visa holders; inserts new clause language specifying citizenship or qualifying nonimmigrant status.

Adds a new subsection (l) creating a lifetime disqualification from operating a commercial motor vehicle for individuals who operate while not a citizen, lawful permanent resident, or qualifying nonimmigrant in possession of a valid unexpired visa, with limited exceptions; also makes minor edits to subsection (d)(2).