The Supreme Court of the United States (SCOTUS) overturned a long-held precedent in which courts deferred to federal agencies in interpreting complex or ambiguous regulations–a decision that could make thousands of federal regulations more vulnerable to legal challenges.

Aaron Nicodemus is the Editor-in-Chief of Compliance Week. He previously worked as a reporter for Bloomberg Law and as business editor at the Telegram & Gazette in Worcester, Mass. Email: aaron.nicodemus@complianceweek.com LinkedIn:...