RTC §19164.5: (a) A reportable transaction accuracy-related penalty shall be imposed under this part and shall be determined in accordance with Section 6662A of the Internal Revenue Code, relating to the imposition

(a) A reportable transaction accuracy-related penalty shall be imposed under this part and shall be determined in accordance with Section 6662A of the Internal Revenue Code, relating to the imposition of an accuracy-related penalty on understatements with respect to reportable transactions, except as otherwise provided. (b) (1) The reportable transaction understatement, as determined under Section 6662A(b) of the Internal Revenue Code, is modified to not include amounts to which the penalty of Section 19774 is imposed. (2) Section 6662A(b)(1)(A)(ii) of the Internal Revenue Code is modified to substitute the phrase “Sections 17041, 23151, 23181, or 23501” for “section 1 (section 11 in the case of a taxpayer which is a corporation).” (3) Section 6662A(b)(1)(B) of the Internal Revenue Code is modified to substitute the phrase “Part 10 (commencing with Section 17001) or Part 11 (commencing with Section 23001)” for “subtitle A.” (4) Section 6662A(b)(2)(B) of the Internal Revenue Code is modified to substitute the phrase “income or franchise tax” for “Federal income tax.” (5) Section 6662A(e)(1) of the Internal Revenue Code is modified to additionally provide that the amount of the understatement is increased by noneconomic transaction understatements, as defined in Section 19774. (c) Section 6662A(e)(2) of the Internal Revenue Code is modified to additionally provide that Section 6662A of the Internal Revenue Code does not apply to amounts to which a penalty is imposed under Section 19774. (d) The provisions of subdivision (f) of Section 19772, relating to the rescission of the penalty by the Chief Counsel, shall apply to any penalty imposed by this section.