WASHINGTON D.C. —FCC Chair Brendan Carr has sent a letter to the heads of PBS and NPR telling them that the FCC’s Enforcement Bureau is opening an investigation into the airing of sponsorships on public stations.

FCC’s Brendan Carr also suggests an investigation could be relevant to conservative congressional efforts to defund the public broadcasters.

FCC chairman Brendan Carr, a Project 2025 author and right-wing critic of the media, launched probes into National Public Radio and the Public Broadcasting Service, outlets that have been often been targeted by conservatives.