Okla. Stat. tit. 57, § 521
Whenever a person is convicted of a felony and is sentenced to imprisonment that is not to be served in a county jail, he shall be committed to the custody of the Department of Corrections and shall be classified and assigned to a correctional facility, the Electronic Monitoring Program pursuant to Section 510.5 of this title, the Specialized Supervision Program pursuant to Sections 610 and 611 of this title, or to another facility or program designated by the Department and authorized by law.
Laws 1967, HB 566, c. 261, § 21, emerg. eff. July 1, 1967; Amended by Laws 1978, HB 1599, c. 79, § 1, emerg. eff. March 27, 1978; Amended by Laws 1993, SB 467, c. 276, § 7, emerg. eff. May 27, 1993; Amended by Laws 1993, SB 565, c. 187, § 3 (repealed by Laws 1994, HB 2299, c. 2, § 34, emerg. eff. March 2, 1994); Amended by Laws 1994, HB 2299, c. 2, § 20, emerg. eff. March 2, 1994.