of enactment of this Act. (c) GAO study Not later than 1 year after the date of enactment of this Act, the Comptroller General of the United States shall conduct a study and submit to Congress a report that includes— (1) (A) the number of requests for designation as a drug for a rare disease or condition under section 526 of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 360bb ) the Food and Drug Administration receives each year in the previous 10-year period