; (ii) a competency-based model, which requires the attainment of competency in the occupation; or (iii) a hybrid model, which blends the time-based and competency-based approaches. (e) Registration agency defined The term registration agency means the State Office of Apprenticeship or State apprenticeship agency in a State that is responsible for— (1) approving or denying applications from sponsors for registration of programs under the national apprenticeship system in the State or area covered by the registration agency; and (2) carrying out the responsibilities of supporting the apprenticeship programs registered by the registration agency, including— (A) determining whether to approve a proposal submitted by a sponsor and notifying the sponsor of the determination by not later than 60 days after receipt of the proposal; and (B) If the proposal is approved, the amending the record of the program to reflect the modification or change, and providing the sponsor or program administrator with an acknowledgment of the amended program, by not later than 30 days after the date of approval.