402-N:4 Prescription Drugs. –
I. A pharmacy benefits manager or insurer shall require a contracted pharmacy to charge an enrollee or insured person the pharmacy's usual and customary price of filling the prescription or the contracted copayment, whichever is less.
II. Once it has settled a claim for filling a prescription for an enrollee or insured person and notified the pharmacy of the amount the pharmacy benefits manager or insurer shall pay to the pharmacy for that prescription, the pharmacy benefits manager or insurer shall not lower the amount to be paid to the pharmacy by the pharmacy benefits manager or the insurer for such settled claim; provided, however, that this paragraph shall not apply if the claim was submitted fraudulently or with inaccurate or misrepresented information.