§ 6061. Signing of returns and other documents
(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 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.