(D) Trends in the application of utilization management tools (such as prior authorization, step therapy, and quantity limits) and formulary exclusions under prescription drug plans and MA–PD plans and the impact such tools and exclusions have on beneficiary access to covered part D drugs. (2) Report Not later than January 1, 2029, the Comptroller General shall submit to Congress a report containing the results of the study conducted under paragraph (1), together with any recommendations for such legislation and administrative action as the Comptroller General determines appropriate. (3) Definitions In this subsection: (A) Comptroller General The term Comptroller General means the Comptroller General of the United States. (B) Other terms The terms covered part D drug , MA–PD plan , and prescription drug plan have the meaning given those terms in section 1860D–41 of the Social Security Act ( 42 U.S.C. 1395w–151 ).