26 CFR §40.6696-1 — -1 Claims for credit or refund by tax return preparers.

1. (a)In general. The rules under § 1.6696-1 of this chapter will apply for claims for credit or refund by a tax return preparer who prepared a return or claim for refund of any tax to which this part 40 applies.
2. (b)Effective/applicability date. This section is applicable to returns and claims for refund filed, and advice provided, after December 31, 2008.