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.

The Supreme Court agreed Friday to wade into a fight over Congress’ ability to delegate power to federal agencies — opening the next chapter in a decadeslong effort by conservatives and business interests to reduce the power of the federal government.

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