Sections 42-270 to 42-271a, inclusive, and 42-390 to 42-434, inclusive, modify, limit, and supersede the federal Electronic Signatures in Global and National Commerce Act, 15 USC Section 7001 et seq., except that nothing in sections 42-270 to 42-271a, inclusive, and 42-390 to 42-434, inclusive, modifies, limits, or supersedes Section 7001(c) of said act or authorizes electronic delivery of any of the notices described in Section 7003(b) of said act.