; (2) in paragraph (3)(B)(iii), by inserting (or, subject to subsection (o), with respect to prior authorization requests submitted on or after the first day of the third plan year beginning after the date of the enactment of the Improving Seniors’ Timely Access to Care Act of 2023 , not later than 24 hours) after 72 hours . (3) by adding at the end the following new paragraph: (6) Timeframe for response to prior authorization requests Subject to paragraph (3) and subsection (o), in the case of an organization determination made with respect to a prior authorization request for an item or service to be furnished to an individual submitted on or after the first day of the third plan year beginning after the date of the enactment of this paragraph, the organization shall notify the enrollee (and the physician involved, as appropriate) of such determination no later than 7 days (or such shorter timeframe as the Secretary may specify through notice and comment rulemaking, taking into account enrollee and stakeholder feedback) after receipt of such request. . (c) Rule of construction None of the amendments made by this section may be construed to affect the finalization of the proposed rule entitled Medicare and Medicaid Programs; Patient Protection and Affordable Care Act