1980-present / Ayahuasca

Chief Justice Roberts holds the federal government failed to show a compelling interest justifying its ban on the Uniao do Vegetal church's sacramental use of hoasca (ayahuasca tea with DMT) under the Religious Freedom Restoration Act. The Court rejects the UN Convention argument and upholds the peyote precedent for religious exemptions to the Controlled Substances Act.

A federal court ruling applying Gonzales v. O Centro to the Santo Daime church in Oregon, granting the right to import and drink ayahuasca under RFRA. Judge Panner's findings describe the religion's origins, ritual, physiological effects, and the government's health and diversion evidence.