; and (II) describe program scope and length, related instruction, on-the-job training, recognized postsecondary credentials, and competencies, and relevant timelines for review of such frameworks. (ii) Industry sector leaders and experts (I) In general Subject to subclause (II), the industry sector leaders and experts described in this clause are employers, industry associations, joint labor-management organizations, labor organizations, education and training providers, credential providers, program participants, national qualified intermediaries, including those supporting increased participation of nontraditional apprenticeship populations and nontraditional apprenticeship occupations, and other stakeholders relevant to the sector or occupation for which the frameworks are being established or updated, as determined by the Administrator. (II) Work related to Sector 23 of the North American Industry Classification System In the case of an occupation or sector that performs work in sector 23 of the North American Industry Classification System, not fewer than half of the industry sector leaders and experts involved in establishing or updating the applicable frameworks under clause (i) with respect to such occupation or sector shall be representatives of labor organizations who represent employees primarily in the building trades and construction industry, or joint labor-management organizations who have responsibility for the administration of an apprenticeship program in the building trades and construction industry. (iii) Priority national occupations suitable for apprenticeship In establishing frameworks under clause (i) for the first time after the effective date of the National Apprenticeship Act of 2023 , the Administrator shall prioritize the establishment of such standards in high-skill, high-wage, or in-demand industry sectors and occupations. (D) Regulations Not later than 1 year after the date of the enactment of the National Apprenticeship Act of 2023 , the Secretary shall issue proposed regulations