[Code of Federal Regulations] [Title 25, Volume 1] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 25CFR83.4] [Page 260] TITLE 25--INDIANS CHAPTER I--BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR PART 83--PROCEDURES FOR ESTABLISHING THAT AN AMERICAN INDIAN GROUP EXISTS AS AN INDIAN TRIBE--Table of Contents Sec. 83.4 Filing a letter of intent. (a) Any Indian group in the continental United States that believes it should be acknowledged as an Indian tribe and that it can satisfy the criteria in Sec. 83.7 may submit a letter of intent. (b) Letters of intent requesting acknowledgment that an Indian group exists as an Indian tribe shall be filed with the Assistant Secretary-- Indian Affairs, Department of the Interior, 1849 C Street, NW., Washington, DC 20240. Attention: Branch of Acknowledgment and Research, Mail Stop 2611-MIB. A letter of intent may be filed in advance of, or at the same time as, a group's documented petition. (c) A letter of intent must be produced, dated and signed by the governing body of an Indian group and submitted to the Assistant Secretary.