; and (B) ensuring such claims are not included in any State rebate request under this section in violation of section 340B(a)(5)(A) of the Public Health Service Act or section 1903(m)(2)(A)(xiii) or 1927(j)(1). (2) Duties of contracting entity (A) In general The entity with a contract in effect under paragraph (1) shall— (i) request and review, in the most efficient and least burdensome manner practicable— (I) claims level data from covered entities (as defined in section 340B of the Public Health Service Act) itemizing 340B drugs dispensed to individuals enrolled under a State plan (or waiver of such plan); and (II) claims level rebate file data from State agencies administering such plan (or such waiver); (ii) request, receive, and maintain data described in either of subclauses (I) and (II) of clause (i) in a confidential manner; and (iii) notify the State and the Secretary of any violation described in paragraph (1)(B) to ensure that such violation is remedied. (B) Retrospective submission of data In requesting and reviewing claims level data described in subparagraph (A)(i)(I) from a covered entity, the entity with a contract in effect under paragraph (1) shall allow such covered entity the option of submitting such data on a retrospective basis through a data file or another method that does not exclusively require point-of-sale identification. . (2) Ensuring access to information (A) Covered entity requirement Section 340B(a)(5) of the Public Health Service Act ( 42 U.S.C. 256b(a)(5) ) is amended by adding at the end the following new subparagraph: (E) Provision of information to contracted entity for Medicaid claims review A covered entity shall furnish to the entity with a contract in effect under section 1927(l) of the Social Security Act, upon request of such entity, the data described in paragraph (2)(A)(i) of such section. . (B) State plan requirement Section 1902(a) of the Social Security Act ( 42 U.S.C. 1396a(a) ) is amended— (i) in paragraph (86), by striking and at the end