RTC §7074: (a) Except for taxpayers who have entered into an installment payment agreement pursuant to subdivision (b) of Section 7073, there shall be added to the tax for each period for which amnesty could hav

(a) Except for taxpayers who have entered into an installment payment agreement pursuant to subdivision (b) of Section 7073, there shall be added to the tax for each period for which amnesty could have been requested: (1) For amounts that are due and payable on the last date of the amnesty period, an amount equal to 50 percent of the accrued interest payable under Section 6591 for the period beginning on the date in which the tax was due and ending on the last day of the amnesty period specified in Section 7071. (2) An amount equal to 50 percent of the interest computed under Section 6591 on any final amount, including final deficiencies and self-assessed amounts, for the period beginning on the date in which the tax was due and ending on the last day of the amnesty period specified in Section 7071. (b) The penalty imposed by this section is in addition to any other penalty imposed under this part. (c) Article 2 (commencing with Section 6481) does not apply with respect to the assessment or collection of any penalty imposed by subdivision (a).