(a) In general.
         For general definitions regarding  section 6694 penalties applicable to preparers of returns or claims for refund of any tax to which this  part 40 applies, see  § 1.6694-1 of this chapter.
     
    
        
        (b) Effective/applicability date.
         This section is applicable to returns and claims for refund filed, and advice provided, after December 31, 2008.
     
    
        
            Code of Federal Regulations
        
        [T.D. 9436, 73 FR 78454, Dec. 22, 2008; 74 FR 5106, Jan. 29, 2009]