Okla. Stat. tit. 70, § 3980.8
All interest derived from any obligations issued pursuant to the authority of this act, whether the obligation is issued by the Oklahoma State Regents for Higher Education, the Board of Regents of the University of Oklahoma, acting for the University of Oklahoma, or the Board of Regents for the Oklahoma Agricultural and Mechanical Colleges, acting for Oklahoma State University, shall be exempt from the tax imposed pursuant to Section 2355 of Title 68 of the Oklahoma Statutes.
Added by Laws 2005, HB 1191, c. 2, § 8, emerg. eff. March 31, 2005.