WASHINGTON —Federal Communications Commission chair Brendan Carr has sent a letter to the heads of PBS and NPR telling them the agency’s Enforcement Bureau is opening an investigation into the airing of sponsorships on public stations.

FCC Commissioner Brendan Carr claims the public broadcasting stations could be violating federal law. Federal Communications Chair Brendan Carr has ordered investigations into NPR and PBS with the goal of slashing the money given to the government-funded organizations, The New York Times reports.

The investigation will revolve around NPR and PBS airing sponsorships across their 1,500-plus member stations, FCC Chairman Brendan Carr said.