In a unanimous ruling, the U.S. Supreme Court sided with Gerald Groff, a Pennsylvania postal worker who claimed the U.S. Postal Service violated his religious rights by requiring him to deliver mail on Sundays. The decision marks a major shift in how employers must handle religious accommodation requests.

For decades, companies relied on the 1977 precedent, Trans World Airlines v. Hardison, which allowed employers to deny accommodations if they imposed more than a minimal, or “de minimis,” cost. The Court now ruled that this standard was too lenient, clarifying that employers must grant religious accommodations unless they can demonstrate “substantial increased costs” or undue hardship.

Justice Samuel Alito, writing for the Court, emphasized that Title VII of the Civil Rights Act requires employers to respect workers’ religious practices while maintaining workplace fairness. The updated standard aligns more closely with other federal protections, such as those under the Americans with Disabilities Act.

Religious liberty advocates hailed the decision as a significant victory, arguing it strengthens workplace protections and promotes inclusivity. Some labor unions, however, expressed concern that accommodating religious requests could complicate scheduling and shift distribution for other employees.

For Groff, who resigned amid ongoing disputes about Sunday shifts, the ruling is a vindication. He described it as a victory for religious freedom and expressed hope that his case will ensure other workers are not forced to choose between faith and employment.

Legal experts predict the decision will reshape workplace policies nationwide, compelling employers to take religious accommodation requests far more seriously and creating a new benchmark for balancing operational needs with personal beliefs.