; and (F) expanding the list of eligible providers of training services under section 122(d) of the Workforce Innovation and Opportunity Act to include programs under the national apprenticeship system in the State ( 29 U.S.C. 3152(d) ). (4) Leadership activities (A) In general A State apprenticeship agency may reserve not more than 15 percent of the funds received under subsection (f) in support of State apprenticeship initiatives described in this paragraph. (B) Diversity Not less than 5 percent of the amount reserved under subparagraph (A) shall be used by the State apprenticeship agency for supporting and expanding diversity in occupations suitable for apprenticeship under the national apprenticeship system in the State and program participant populations in the State. (C) Incentives for employers A State apprenticeship agency may use funds reserved under subparagraph (A) to incentivize employers to participate in programs under the national apprenticeship system, such as costs related to program development, staffing for mentors and supervisors, related instruction, or the creation of industry or sector partnerships to support employer participation. (D) State-specific initiatives A State apprenticeship agency may use funds reserved under subparagraph (A) for State-specific initiatives, such as the development or expansion of youth apprenticeship programs or apprenticeship programs in high-skill, high-wage, or in-demand industry sectors and occupations. (5) State match for Federal investment (A) In general Except in the case of exceptional circumstances, as determined by the Administrator, in order to receive a full allotment under subsection (f), a State apprenticeship agency shall use matching funds from non-Federal resources to carry out the activities of the agency under this Act in an amount not less than 25 percent of such allotment. (B) Transition period The requirement under this paragraph shall take effect with respect to a State apprenticeship agency on the date that is 1 day after the date on