(a) In general. For general definitions regarding section 6694 penalties applicable to preparers of employment tax returns or claims for refund of employment tax under chapters 21 through 25 of subtitle C of the Internal Revenue Code, see Sec. 1.6694-1 of this chapter.
(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 78453, Dec. 22, 2008, as amended by T.D. 9436, 74 FR 5105, Jan. 29, 2009]