; commonly known as the National Apprenticeship Act ), that satisfies the requirements of parts 29 and 30 of title 29, Code of Federal Regulations (as in effect on January 1, 2020). (15) Special populations The term special populations has the meaning given the term in section 3 of the Carl D. Perkins Career and Technical Education Act of 2006 ( 20 U.S.C. 2302 ). (16) State The term State means each State of the United States, the District of Columbia, each commonwealth, territory, or possession of the United States, and each federally recognized Indian Tribe. (17) Transportation sector The term transportation sector means an industry sector that is involved in construction, manufacturing, maintenance, operation, inspection, logistics, design, or engineering with respect to transportation equipment, materials, technologies, or infrastructure (including relating to surface, transit, railway, aviation, and maritime transportation). (18) Underrepresented individual The term underrepresented individual means— (A) an individual who belongs to a special population; (B) an individual with a barrier to employment; or (C) an individual otherwise determined by the Secretary to be underrepresented in the transportation workforce. (19) Work-based learning The term work-based learning has the meaning given the term in section 3 of the Carl D. Perkins Career and Technical Education Act of 2006 ( 20 U.S.C. 2302 ).