N.Y. Indian Law § 40

§ 40. Use of terms. In this chapter the Seneca Indians residing on\nthe Allegany and Cattaraugus reservations are designated the Seneca\nnation, and the Seneca Indians residing on the Tonawanda reservation are\ndesignated the Tonawanda nation. For the purposes of voting and holding\noffice, the Seneca Indians residing on the Corn-planter reservation in\nthe New York Indian agency shall be treated as residents of the Allegany\nreservation. The councilors of the Seneca nation, and the chiefs of the\nTonawanda nation, in council assembled, are designated, in this chapter,\nthe council of each of such nations, respectively.\n