shall not be required to provide access to the maximum fair price under subsection (a)(3), with respect to such selected drug and maximum fair price eligible individuals who are eligible to be furnished, administered, or dispensed such selected drug at a covered entity described in section 340B(a)(4) of the Public Health Service Act [
42 U.S.C. 256b(a)(4)], to such covered entity if such selected drug is subject to an agreement described in section 340B(a)(1) of such Act [
42 U.S.C. 256b(a)(1)] and the ceiling price (defined in section 340B(a)(1) of such Act [
42 U.S.C. 256b(a)(1)]) is lower than the maximum fair price for such selected drug; and