Okla. Stat. tit. 15, § 236 – Alteration of Contract Not in Writing - Effect of New Alteration | Midpage
§ 236
Okla. Stat. tit. 15, § 236
Alteration of Contract Not in Writing - Effect of New Alteration
R.L. 1910, § 987.
A contract not in writing may be altered in any respect by consent of the parties, in writing, without a new consideration, and is extinguished thereby to the extent of the new alteration.