18 C.F.R. § 420.45 Historical use.
Title 18 - Conservation of Power and Water Resources
A person who or which could not for any reason use, take, withdraw or divert waters of the basin from the place in question on March 31, 1971, shall not be entitled to a certificate of entitlement.
Title 18: Conservation of Power and Water Resources
PART 420—BASIN REGULATIONS—WATER SUPPLY CHARGES
Charges; Exemptions
§ 420.45 Historical use.

