The Supreme Court’s decision to overturn the Chevron doctrine, thereby curbing federal agencies’ ability to set rules, will shape President-elect Donald Trump’s approach to his 2025 policy agenda.

With its decision in Loper Bright Enterprises v. Raimondo earlier this year, the Supreme Court ended a precedent that had been on the books since 1984 that allowed federal agencies broad interpretive freedom over ambiguous statutes, known as the Chevron doctrine.