This Act modifies, limits, and supersedes the Electronic Signatures in Global and National Commerce Act, 15 U.S.C. § 7001 et seq., but does not modify, limit or supersede § 101(a) of that act, 15 U.S.C. § 7001, or authorize electronic delivery of any of the notices described in § 103(b) of that act, 15 U.S.C. § 7003(b).