(a) In general. The rules under § 1.6696-1 of this chapter apply to claims for credit or refund by a tax return preparer who prepared a return or claim for credit or refund for tax under chapter 37 of the Internal Revenue Code.

(b) Applicability date. This section applies to returns and claims for credit or refund filed, and advice provided, after June 28, 2024, and during taxable years ending after June 28, 2024.