to, or enrolled for, benefits under part A or enrolled in part B, if the amount of the out-of-pocket cost-sharing of such individual for a year (beginning with 2022) equals or exceeds the annual out-of-pocket limit under subsection (b) for that year— (1) the amount otherwise payable under part A and the total amount of expenses incurred by the individual which would (except for this section) constitute incurred expenses for which benefits are payable under part B, shall be 100 percent of such amount for the remainder of that year