26 U.S. Code § 6696 - Rules applicable with respect to sections 6694, 6695, and 6695A
The penalties provided by section  6694, 6695, and 6695A shall be in addition to any other penalties provided by law.
Subchapter B of chapter 63 (relating to deficiency procedures for income, estate, gift, and certain excise taxes) shall not apply with respect to the assessment or collection of the penalties provided by sections 6694, 6695, and 6695A.
Any claim for credit or refund of any penalty paid under section 6694, 6695, or 6695A shall be filed in accordance with regulations prescribed by the Secretary.
The amount of any penalty under section 6694(a), section  6695, or 6695A shall be assessed within 3 years after the return or claim for refund with respect to which the penalty is assessed was filed, and no proceeding in court without assessment for the collection of such tax shall be begun after the expiration of such period. In the case of any penalty under section 6694(b), the penalty may be assessed, or a proceeding in court for the collection of the penalty may be begun without assessment, at any time.
 So in original. Probably should be “sections”.
 So in original. The word “section” probably should not appear.
Section 1219(b)(2) of Pub. L. 109–280, which directed the amendment of section 6696 without specifying the act to be amended, was executed to this section, which is section 6696 of the Internal Revenue Code of 1986, to reflect the probable intent of Congress. See 2006 Amendment note below.
2007—Subsec. (d)(1). Pub. L. 110–172 substituted “, section 6695, or 6695A” for “or under section 6695”.
Subsec. (e). Pub. L. 110–28 substituted “this title” for “subtitle A” in pars. (1) and (2).
2006—Pub. L. 109–280 substituted “6694, 6695, and 6695A” for “6694 and 6695” wherever appearing in section catchline and text and “6694, 6695, or 6695A” for “6694 or 6695” wherever appearing in text. See Codification note above.
Amendment by Pub. L. 110–172 effective as if included in the provisions of the Pension Protection Act of 2006, Pub. L. 109–280, to which such amendment relates, see section 3(j) of Pub. L. 110–172, set out as a note under section 170 of this title.
Amendment by Pub. L. 109–280 applicable to appraisals prepared with respect to returns or submissions filed after Aug. 17, 2006, with special rule for certain easements, see section 1219(e)(2), (3) of Pub. L. 109–280, set out as a note under section 170 of this title.