Iowa Code § 510D.2
2.
a. Group health plans, health carriers that offer group or individual health insurance coverage, third-party administrators, and pharmacy benefits managers shall not, on the basis that an entity is a covered entity or that a pharmacy is a contract pharmacy, or that a covered entity or contract pharmacy participate in the 340B program, impose any of the following contractual terms and conditions on the covered entity or the contract pharmacy that differ from those imposed on a similarly situated entity or pharmacy that is not a covered entity or a contract pharmacy:
3. Group health plans, health carriers that offer group or individual health insurance coverage, third-party administrators, and pharmacy benefits managers shall not do any of the following on the basis that an entity is a covered entity or that a pharmacy is a contract pharmacy, or that a covered entity or a contract pharmacy participates in the 340B program:
2023 Acts, ch 43, §3