preceding calendar year. The Secretary shall not include confidential patient-specific, drug-specific, or manufacturer-specific information in any such annual report. (c) Effective date The amendments made by this section take effect on the date that is 6 months after the date of enactment of this Act and apply to claims submitted on or after that date. 4. Reports to Congress Section 340B of the Public Health Service Act ( 42 U.S.C. 256b ) is amended by adding at the end the following: (f) Reports to Congress (1) OIG report Not later than 2 years after the date of the enactment of this subsection, the Office of the Inspector General shall submit to Congress a final report on the level of charity care provided by covered entities described in subparagraphs (L) and (M) of subsection (a)(4) and separately by child sites of such covered entities. (2) GAO reports (A) Initial report Not later than 1 year after the date of the enactment of this subsection, the Comptroller General of the United States shall submit to Congress a report— (i) analyzing the State and local government contracts intended to satisfy the requirement under subsection (a)(4)(L)(i) for a covered entity to qualify as an entity described in subparagraph (L) of subsection (a)(4)