Okla. Stat. tit. 84, § 914

A. Except as provided in subsection B of this section, this act shall apply to an electronic non-testamentary estate planning document and an electronic signature on a non-testamentary estate planning document. B. This act shall not apply to a non-testamentary estate planning document if the document precludes use of an electronic record or electronic signature. C. This act shall not affect the validity of an electronic record or electronic signature that is valid under the Uniform Electronic Transactions Act, Section 15-101 et seq. of Title 12A of the Oklahoma Statutes or other law of this state authorizing the use of electronic records or electronic signatures.