A prior section 7427 was renumbered 7437 of this title.

2007—Pub. L. 110–28 substituted “Tax return preparers” for “Income tax return preparers” in section catchline and “a tax return preparer” for “an income tax return preparer” in text.

Amendment by Pub. L. 110–28 applicable to returns prepared after May 25, 2007, see section 8246(c) of Pub. L. 110–28, set out as a note under section 6060 of this title.