The U.S. Supreme Court has granted a petition by a healthcare information company to review whether district courts must defer to Federal Communications Commission interpretations of a robocall law.

PDR Network LLC had appealed the U.S. Court of Appeals for the Fourth Circuit’s decision to reinstate a chiropractor service’s lawsuit. Carlton & Harris Chiropractic Inc. alleged that PDR violated the Telephone Consumer Protection Act (TCPA) by sending unsolicited faxes about a free e-book.

The Fourth Circuit held that the district court erred by not applying the FCC’s interpretation of the TCPA on the grounds that the law’s language was clear....