Sandra Day O'Connor,
Jimmy Swaggart Ministries v. Board of Equalization of California…
“ Ironically, appellant's theory, under which government may not tax "religious core" activities but may tax "nonreligious" activities, would require government to do precisely what appellant asserts the Religion Clauses prohibit: "determine which expenditures are religious and which are secular." Lemon, 403 U.S., at 621-622, 91 S.Ct., at 2115-2116.Accordingly, because we find no excessive entanglement between government and religion in this case, we hold that the imposition of sales and use tax liability on appellant does not violate the Establishment Clause. ”
