There's actually a case before the Supreme Court right now, Groff v. DeJoy, challenging the level of what constitutes a reasonable accommodation: https://www.s

There's actually a case before the Supreme Court right now, Groff v. DeJoy, challenging the level of what constitutes a reasonable accommodation: https://www.scotusblog.com/case-files/cases/groff-v-dejoy/ https://www.scotusblog.com/case-files/cases/groff-v-dejoy/ Currently, religious tolerance can be denied if it imposes more than a "de minimis" cost on the business, which in the above example was an employee's request to not be scheduled on Sundays.