the projected total out-of-pocket costs of an enrollee in the plan or coverage for each prescription drug covered under such plan or coverage. . 4. International retail list price index (a) In general The retail list price in the United States for a drug approved under subsection (c) or (j) of section 505 of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 355 ) or a biological product licensed under subsection (a) or (k) of section 351 of the Public Health Service Act ( 42 U.S.C. 262 ) may not exceed the lowest retail list price for the drug among Canada, France, the United Kingdom, Japan, or Germany. (b) Sunset The requirement under subsection (a) shall terminate on the date that is 5 years after the date of enactment of this Act.