Mayer Brown·REGULATORY / GOVERNMENT

4th Circ. Voids FCC Political Ad Guidance, Rejects Shield

A Fourth Circuit panel invalidated the FCC's lowest unit charge guidance for political ads and held that the agency cannot shield bureau-level decisions from judicial review.

The U.S. Court of Appeals for the Fourth Circuit has invalidated Federal Communications Commission guidance on calculating the "lowest unit charge" for political advertisements, a key rule for broadcasters. More broadly, the court rejected the FCC's position that decisions issued by its bureaus, rather than the full commission, are not "final agency actions" and are therefore shielded from immediate judicial review.

The ruling has significant consequences for sophisticated counsel and their clients. For media and broadcast companies, it creates immediate uncertainty around the rules for political ad sales, a critical revenue source, especially in an election year. For practitioners across all regulated industries, the decision strengthens their ability to challenge guidance and enforcement advisories issued by agency staff and sub-units without waiting for a formal enforcement action. This holding potentially opens the door to more preemptive litigation against what many regulated entities view as "rulemaking by other means." Counsel should monitor whether the FCC seeks rehearing or appeals to the Supreme Court and evaluate whether similar challenges to other agencies' bureau-level actions are now viable.

fccfourth-circuitadministrative-lawjudicial-reviewpolitical-advertisingmedia-law
Read the original firm alert → Tuesday, September 1, 2026

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