; and (ii) report to the Committee on Education and the Workforce of the House of Representatives and the Committee on Health, Education, Labor, and Pensions of the Senate, on the status and length of such vacancy if such vacancy is not filled not later than 90 days after such position has become vacant. (D) Rule of construction Nothing in this paragraph shall be construed to prohibit any State described in subparagraph (A)(ii) from establishing an agency or entity to promote programs under the national apprenticeship system in such State, in coordination with the State Office of Apprenticeship operating in the State, so long as such agency or entity does not act as the registration agency in such State. (4) Quality standards, apprenticeship agreement, and registration review In order for the Secretary, acting through the Administrator, to support the formulation and furtherance of labor standards necessary to safeguard the welfare of program participants, and to extend the application of such standards in apprenticeship agreements, not later than 1 year after the effective date of the National Apprenticeship Act of 2023 , and at least every 3 years thereafter, the Administrator shall review, and where appropriate, update the process for meeting the requirements of subtitle B, including applicable subregulatory guidance and registration processes to ensure that such process is easily accessible and efficient to bring together employers and labor as sponsors or potential sponsors of programs under the national apprenticeship system. (5) Occupations suitable for apprenticeship (A) Existing occupations The Administrator shall regularly review and update the requirements for each occupation suitable for apprenticeship to ensure that such requirements are in compliance with requirements under this Act. (B) New occupations (i) In general The Administrator shall— (I) review each application submitted under section 121(a) seeking approval for an occupation to be an occupation suitable for apprenticeship