The U.S. Supreme Court agreed on Friday to decide the legality of a congressionally authorized fund operated by the Federal Communications Commission to expand access to telecommunications services in a challenge accusing Congress of unlawfully delegating its authority to an independent federal agency.

Opponents of the fund argue it's being unlawfully overseen by the administering nonprofit, in violation of the non-delegation doctrine, which prevents Congress from delegating its

The Supreme Court could further weaken the power of federal agencies by agreeing to hear a dispute over a Federal Communications Commission program that requires companies to subsidize telecommunications services in under-served areas.