18 C.F.R. § 420.33 Payment of bills.
Title 18 - Conservation of Power and Water Resources
The amount due for each quarter shall bear interest at the rate of 1 percent per month for each day it is unpaid beginning 30 days after the due date of the quarterly report for the first three quarters and 30 days after the bill is rendered for the fourth quarter.
Title 18: Conservation of Power and Water Resources
PART 420—BASIN REGULATIONS—WATER SUPPLY CHARGES
Entitlement; Measurement; Billing
§ 420.33 Payment of bills.

