Tax return preparer must furnish copy of return to taxpayer and must retain a copy or record

(a) In general. A person who is a signing tax return preparer of any return or claim for refund of employment tax under chapters 21 through 25 of subtitle C of the Internal Revenue Code shall furnish a completed copy of the return or claim for refund to the taxpayer and retain a completed copy or record in the manner stated in § 1.6107-1 of this chapter.