; and (B) in the case of a program that does not meet the requirements of this Act, provide technical assistance to the sponsor of such program to ensure that the sponsor is in compliance with this Act not later than 3 years after the date of enactment of the National Apprenticeship Act of 2023 . (c) Modifications or changes to youth apprenticeship, pre-Apprenticeship, or apprenticeship programs (1) Sponsor proposal Any sponsor that wishes to modify a program, including the program’s method of meeting the standards required under this Act, shall submit the proposal for such change or modification to the registration agency for the program. (2) Registration agency requirements (A) In general The registration agency shall determine whether to approve the proposal and notify the sponsor of the determination by not later than 60 days after receipt of the proposal. (B) Approval of proposal If the proposal is approved, the registration agency shall amend the record of the program to reflect the modification or change, and provide the sponsor or program administrator with an acknowledgment of the amended program, by not later than 30 days after the date of approval. (C) Disapproval of proposal If the proposal is not approved, the registration agency shall— (i) notify the sponsor of the reasons for the disapproval and provide the sponsor with technical assistance to maintain the program as originally registered; (ii) provide the sponsor with the opportunity to submit a revised modification proposal, including providing appropriate technical assistance to modify the proposal in order to meet the requirements of this Act; and (iii) in a case in which the sponsor submits a revised modification proposal, not later than 60 days after receipt of such proposal— (I) approve the proposal