Section 175.53 - Agreements, wills and trust relations to which statute applicableThe terms of this act shall apply in the construction of, and operation under,
A. All agreements containing trust provisions entered into subsequent to the effective date hereof;B. All wills made by testators who shall die subsequent to the effective date hereof; andC. All other wills and trust agreements and trust relations in so far as such terms do not impair the obligation of contract or deprive persons of property without due process of law under the Constitution of the State of Oklahoma or the United States of America.Okla. Stat. tit. 60, § 175.53
Laws 1941, HB 174, p. 265, § 54.