Okla. Stat. tit. 71 § 819 : — SECURITIESOKLAHOMA BUSINESS OPPORTUNITY SALES ACT — Unlawful Acts TEXT PDF It is unlawful for any person, in connection with the offer or sale of any business opportunity in this state, directly or indirectly: 1. To employ any device, scheme or artifice to defraud; 2. To make any untrue statement of a material fact or to omit to state a material fact necessary in order to make the statements made, in the light of the circumstances under which they are made, not misleading;or 3. To engage in any act, practice or course of business which operates or would operate as a fraud or deceit upon any person. Okla. Stat. tit. 71, § 819 Added by Laws 1985, c. 157, § 19, eff. 11/1/1985.