United States Supreme Court
An employer must show that granting a religious accommodation would result in substantial increased costs in the context of its particular business to establish undue hardship under Title VII.
Groff v. DeJoy clarified the standard for religious accommodations in the workplace under Title VII, holding that an employer claiming undue hardship must show the accommodation would impose a substantial burden on the conduct of the employer's business, rejecting a de minimis hardship standard.