N.D. Cent. Code § 61-35-72
61-35-72. Payment of special assessments - Interest
61-35-72. Payment of special assessments - Interest
All special assessments levied under this title may be paid without interest within ten days
after they have been approved by the board and thereafter bear interest at an annual rate not
exceeding one and one-half percentage points above the average net annual interest rate on
any bonds for the payment of which they are pledged on the total amount remaining unpaid.