[Code of Federal Regulations] [Title 25, Volume 1] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 25CFR170.3] [Page 523] TITLE 25--INDIANS CHAPTER I--BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR PART 170_INDIAN RESERVATION ROADS PROGRAM--Table of Contents Subpart A_Policies, Applicability, and Definitions Sec. 170.3 When do other requirements apply to the IRR Program? IRR Program Policy and Guidance Manuals and directives apply to the IRR Program only if they are consistent with this part and 25 CFR parts 900 and 1000. See 25 CFR part 900.5 for when a tribe must comply with other unpublished requirements.