[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: 25CFR135.21] [Page 357] TITLE 25--INDIANS CHAPTER I--BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR PART 135_CONSTRUCTION ASSESSMENTS, CROW INDIAN IRRIGATION PROJECT --Table of Contents Subpart B_Charges Assessed Against Non-Indian Lands Not Included in an Irrigation District Sec. 135.21 Time of payment. The amount of each annual installment, payable under the private landowner contracts, determined as provided in this part shall be paid by the landowners to the United States, on or before November 15 of each year commencing with the calendar year 1951.