; (B) an entity that carries out a registered apprenticeship program; or (C) another public or private provider of a program of training services, which may include a joint labor-management organization or an eligible providers of adult education and literacy activities under the Adult Education and Literacy Act ( 29 U.S.C. 3101 et seq.) if such activities are provided in combination with occupational skills training. (3) Registered apprenticeship program The term registered apprenticeship program means an apprenticeship program that is registered under the Act of August 16, 1937 (commonly known as the National Apprenticeship Act ; 50 Stat. 664, chapter 663; 29 U.S.C. 50 et seq.). (4) Sector partnership (A) In general The term sector partnership means an industry or sector partnership, as defined in section 3 of the Workforce Innovation and Opportunity Act ( 29 U.S.C. 3102 ), meaning a workforce collaborative, convened by or acting in partnership with a State board or local board, that— (i) organizes key stakeholders in an industry cluster into a working group that focuses on the shared goals and human resources needs of the industry cluster and that includes, at the appropriate stage of development of the partnership— (I) representatives of multiple businesses or other employers in the industry cluster, including small and medium-sized employers when practicable; (II) 1 or more representatives of a recognized State labor organization or central labor council, or another labor representative, as appropriate; and (III) 1 or more representatives of an institution of higher education with, or another provider of, education or training programs that support the industry cluster; and (ii) may include representatives of— (I) State or local government; (II) State or local economic development agencies; (III) State boards or local boards, as appropriate; (IV) a State workforce agency or other entity providing employment services; (V) other State or local agencies; (VI) business or trade associations