North Carolina Administrative Code Title 17 — Revenue
17 NCAC 06D .0201 — General
Interest may be due for underpayment of estimated income tax. The interest is computed separately for each payment period, therefore an individual may owe interest for an early period even if that individual later paid enough to make up the underpayment. If an individual did not pay enough tax by the due date of each of the payment periods, the individual may owe interest even if the individual is due a refund when the return is filed. 17 NCAC 06D .0202 THE AMOUNT OF UNDERPAYMENT (TAXABLE YEARS BEFORE 1986) 17 NCAC 06D .0203 THE PERIOD OF UNDERPAYMENT (TAXABLE YEARS BEFORE L986) 17 NCAC 06D .0204 AVOIDING PENALTY (TAXABLE YEARS BEFORE 1986) 17 NCAC 06D .0205 ESTIMATED TAX PAYMENTS (TAXABLE YEARS AFTER 1986)
Source: official text