; and (II) at least two covered biosimilar biological products for which the wholesale acquisition cost is less than the wholesale acquisition cost of the reference biological product of such covered biosimilar biological product. (ii) Prohibition on certain limits on access The PDP sponsor offering the prescription drug plan may not impose limits on access to a covered generic drug required to be included on the formulary under clause (i)(I) or a covered biosimilar biological product required to be included on the formulary under clause (i)(II), including through utilization management techniques such as prior authorization, or step therapy, that are more restrictive than any such limits imposed on access to the reference drug of such covered generic drug or reference biological product of such covered biosimilar biological product, respectively, or that otherwise have the effect of limiting the availability to enrollees of such covered generic drug or covered biosimilar biological product relative to such reference drug or reference biological product over such covered generic drug or covered biosimilar biological product, respectively. (iii) Definitions In this subparagraph and subparagraph (J): (I) Covered biosimilar biological product The term covered biosimilar biological product means a covered part D drug that is a biosimilar biological product (as defined in section 1847A(c)(6)(H)). (II) Covered generic drug The term covered generic drug means a covered part D drug that is a drug described in section 1860D–2(e)(1)(A) and approved under section 505(j) of the Federal Food, Drug, and Cosmetic Act. (III) Preferred position The term preferred position means a product is placed on a more favorable formulary tier and has lower patient out-of-pocket costs than the corresponding reference drug or reference biological product. (IV) Reference biological product The term reference biological product has the meaning given such term in section 1847A(c)(6)(I). (V) Reference drug The term reference drug means, with