#aaeth ,,congress #b;d ,session ,s4 #beec ,,an ,,act ,to amend title ,,xviii of the ,social ,security ,act to prohibit health plans and pharmacy benefit managers from restricting pharmacies from informing individuals regarding the prices for certain drugs and biologicals4 #a4 ,short title ,this ,act may be cited as the ,know the ,lowest ,price ,act of #bjah4 #b4 ,prohibition on limiting certain information on drug prices 7a7 ,in general ,section #ahfj;,d-#d of the ,social ,security ,act 7#db ,u4,s4,c4 #aciew-#ajd7 is amended by adding at the end the following new subsection3 7m7 ,prohibition on limiting certain information on drug prices ,a ,,pdp sponsor and a ,medicare ,advantage organization shall ensure that each prescription drug plan or ,,ma-,,pd plan offered by the sponsor or organization does not restrict a pharmacy that dispenses a prescription drug or biological from informing1 nor penalize such pharmacy for informing1 an enrollee in such plan of any differential between the negotiated price of1 or copayment or coinsurance for1 the drug or biological to the enrollee under the plan and a lower price the individual would pay for the drug or biological if the enrollee obtained the drug without using any health insurance coverage4 4 7b7 ,effective date ,the amendment made by subsection 7a7 shall apply to plan years beginning on or after ,january #a1 #bjbj4 ,passed the ,senate ,september #d1 #bjah4,secretary