This subchapter modifies, limits, or supersedes the federal Electronic Signatures in Global and National Commerce Act, 15 U.S.C. Section 7001, et seq., as it existed on January 1, 2017, but does not modify, limit, or supersede Section 101(c) of that act, 15 U.S.C. Section 7001(c), as it existed on January 1, 2017, or authorize electronic delivery of any of the notices described in Section 103(b) of that act, 15 U.S.C. Section 7003(b), as it existed on January 1, 2017.