26 U.S.C. § 6061 (INTERNAL REVENUE CODE)
§ 6061. Signing of returns and other documents
(a) General rule
Except as otherwise provided by subsection (b) and sections 6062 and 6063, any return, statement, or other document required to be made under any provision of the internal revenue laws or regulations shall be signed in accordance with forms or regulations prescribed by the Secretary.
(b) Electronic signatures
(1) In general
The Secretary shall develop procedures for the acceptance of signatures in digital or other electronic form. Until such time as such procedures are in place, the Secretary may—
(A) waive the requirement of a signature for; or
(B) provide for alternative methods of signing or subscribing,
a particular type or class of return, declaration, statement, or other document required or permitted to be made or written under internal revenue laws and regulations.
(2) Treatment of alternative methods
Notwithstanding any other provision of law, any return, declaration, statement, or other document filed and verified, signed, or subscribed under any method adopted under paragraph (1)(B) shall be treated for all purposes (both civil and criminal, including penalties for perjury) in the same manner as though signed or subscribed.
(3) Published guidance
(A) In general
The Secretary shall publish guidance as appropriate to define and implement any waiver of the signature requirements or any method adopted under paragraph (1).
(B) Electronic signatures for disclosure authorizations to, and other authorizations of, practitioners
Not later than 6 months after the date of the enactment of this subparagraph, the Secretary shall publish guidance to establish uniform standards and procedures for the acceptance of taxpayers’ signatures appearing in electronic form with respect to any request for disclosure of a taxpayer’s return or return information under section 6103(c) to a practitioner or any power of attorney granted by a taxpayer to a practitioner.
(C) Practitioner
For purposes of subparagraph (B), the term “practitioner” means any individual in good standing who is regulated under section 330 of title 31, United States Code.
(Aug. 16, 1954, ch. 736, 68A Stat. 748; Pub. L. 94–455, title XIX, § 1906(b)(13)(A), Oct. 4, 1976, 90 Stat. 1834; Pub. L. 105–206, title II, § 2003(a), July 22, 1998, 112 Stat. 724; Pub. L. 116–25, title II, § 2302, July 1, 2019, 133 Stat. 1013.)
heading: References in Text
text: The date of the enactment of this subparagraph, referred to in subsec. (b)(3)(B), is the date of enactment of Pub. L. 116–25, which was approved July 1, 2019.
heading: Amendments
text: 2019—Subsec. (b)(3). Pub. L. 116–25 amended par. (3) generally. Prior to amendment, text of par. (3) read as follows: “The Secretary shall publish guidance as appropriate to define and implement any waiver of the signature requirements or any method adopted under paragraph (1).”
1998—Pub. L. 105–206 designated existing provisions as subsec. (a), inserted subsec. heading, substituted “Except as otherwise provided by subsection (b) and” for “Except as otherwise provided by”, and added subsec. (b).
1976—Pub. L. 94–455 struck out “or his delegate” after “Secretary”.
heading: Effective Date of 1998 Amendment
text: Pub. L. 105–206, title II, § 2003(f), July 22, 1998, 112 Stat. 725, provided that: “The amendments made by this section [amending this section and section 7502 of this title] shall take effect on the date of the enactment of this Act [July 22, 1998].”