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