E-Sign is federal. UETA is state. But you can't set this as a default as not all your customers will have the capability.
From E-Sign:
formation.
(b) PRESERVATION OF RIGHTS AND OBLIGATIONS.—This title does
not—
(2) require any person to agree to use or accept electronic
records or electronic signatures, other than a governmental
agency with respect to a record other than a contract to which it is a party.
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I hope you'll join me in my webinar on
e-compliance.