25 C.F.R. § 135.4 Time of payment.
Title 25 - Indians
Annual assessments shall be paid by the Districts to the United States, one-half thereof on or before February 1 and one-half thereof on or before July 1 following, of each year commencing with the calendar year 1952.
Title 25: Indians
PART 135—CONSTRUCTION ASSESSMENTS, CROW INDIAN IRRIGATION PROJECT
Subpart A—Charges Assessed Against Irrigation District Lands
§ 135.4 Time of payment.