(a) In general. For general definitions regarding section 6694 penalties applicable to preparers of tax returns or claims for refund under Chapter 42 of the Internal Revenue Code, see § 1.6694-1 of this chapter.
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(b) Effective/applicability date. Paragraph (a) of this section is applicable to returns and claims for refund filed, and advice provided, after December 31, 2008.
[T.D. 9436, 73 FR 78457, Dec. 22, 2008]