; and (B) during the preceding calendar year, manufactured any insulin product that was sold in commerce and covered by a Federal health program at least once during such preceding calendar year. (3) Inspector General The term Inspector General means the Inspector General of the Department of Health and Human Services. (4) Secretary The term Secretary means the Secretary of Health and Human Services. (b) Imposition of fee Each covered entity for a calendar year, beginning in 2024 and ending in 2028, shall pay to the Secretary not later than the annual payment date of such calendar year a fee in an amount determined under subsection (c). (c) Amount of fees (1) Total amount The Secretary shall ensure that the total amount in fees assessed under subsection (b)— (A) for calendar year 2024, equals the total amount the Secretary estimates as the total expenditures for carrying out section 320C of the Public Health Service Act for such calendar year