[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: 25CFR173] [Page 625] TITLE 25--INDIANS CHAPTER I--BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR PART 173_CONCESSIONS, PERMITS AND LEASES ON LANDS WITHDRAWN OR ACQUIRED IN CONNECTION WITH INDIAN IRRIGATION PROJECTS--Table of Contents Sec. 173.5 Plans, approval thereof. No building or other structure shall be erected by permittee except in accordance with plans, specifications and locations approved by the project engineer. All premises and appurtenances shall be kept in a sanitary, safe and sightly condition.