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

FCC chair, Republican Brendan Carr, reportedly sent a letter to NPR and PBS announcing the launch of an investigation into potential airing of 'prohibited commercial' ads.

New FCC Chairman Brendan Carr has ordered the agency to launch an investigation into underwriting sponsorship announcements that air during PBS and NPR programming, suggesting that they may cross the line “into prohibited commercial advertisements.

Brendan Carr, the chairman of the Federal Communications Commission, said the inquiry could help Congress decide whether to continue funding local stations.