To print this article, all you need is to be registered or login on Mondaq.com. Five months after the Supreme Court of the United States handed down a loss to the pharmacy benefit manager (PBM) lobbying group Pharmaceutical Care Management Association (PCMA), PCMA filed a brief in the Eighth Circuit arguing that the Court's ruling does not narrow the scope of Employee Retirement Income Security Act (ERISA) preemption for PBM regulation. On December 10, 2020, the Supreme Court, in Rutledge v. Pharmaceutical Care Management Association, ruled that an Arkansas law prohibiting PBMs from reimbursing pharmacies for drugs at rates below the drugs' acquisition costs was not preempted