Pub. L. 100-89, tit. I, sec. 102
REDESIGNATION OF TRIBE.
SEC. 102. REDESIGNATION OF TRIBE. The Indians designated as the Tiwa Indians of Ysleta, Texas, by the Tiwa Indians Act shall, on and after the date of the enactment of this title, be known and designated as the Ysleta del Sur Pueblo. 101 STAT. 667Any reference in any law, map, regulation, document, record, or other paper of the United States to the Tiwa Indians of Ysleta, Texas, shall be deemed to be a reference to the Ysleta del Sur Pueblo.