United States v. Lee was a United States Supreme Court case that addressed the issue of whether the United States government had the authority to tax a religious organization. The case involved a member of the Old Order Amish faith, named Lee, who refused to pay Social Security taxes on the grounds that it violated his religious beliefs. The Supreme Court held that the government did have the authority to tax Lee, as the government's interest in raising revenue outweighed Lee's religious beliefs. The Court reasoned that the government's interest in raising revenue was a legitimate one, and that the government had a right to impose taxes on all citizens, regardless of their religious beliefs. The Court also noted that the government had provided exemptions for certain religious organizations, and that Lee had not taken advantage of those exemptions. The Court concluded that Lee's refusal to pay taxes was not based on a sincere religious belief, and that the government had the right to impose taxes on him.

In United States v. Lee, the Supreme Court was tasked with determining whether or not a religious organization could be exempt from paying taxes on property used for worship services. The majority opinion held that Congress had no authority to grant such an exemption and thus denied it. Justice Field dissented, arguing that the Free Exercise Clause of the First Amendment should protect religious organizations from taxation in this case because it would otherwise violate their right to freely practice their religion without government interference. He argued that allowing Congress to tax these properties would amount to a “direct burden” on religious exercise and therefore should be unconstitutional under established precedent set by previous cases like Reynolds v US (1878). Furthermore, he noted that if Congress were allowed to impose such taxes then they could use them as leverage against unpopular religions which is something expressly forbidden by the Constitution itself. In conclusion, Justice Field believed strongly in protecting freedom of religion and felt denying this exemption was contrary to both constitutional law and public policy at large.