Leaders of the Native American Church of North America ( … a 1994 amendment to the American Indian Religious Freedom Act. The … and the National Congress of American Indians (NCAI) are lobbying lawmakers … to ensure that the Native American supply is not further …Leaders of the Native American Church of North America ( … a 1994 amendment to the American Indian Religious Freedom Act. The … and the National Congress of American Indians (NCAI) are lobbying lawmakers … to ensure that the Native American supply is not further …