Okla. Stat. tit. 21, § 1290.26
The State of Oklahoma hereby recognizes any valid concealed carry weapons permit or license issued by another state.
Any person entering this state in possession of a firearm authorized for concealed carry upon the authority and license of another state is authorized to continue to carry a concealed firearm and license in this state; provided the license from the other state remains valid. The firearm must be carried fully concealed from detection and view, and upon coming in contact with any peace officer of this state, the person must disclose the fact that he or she is in possession of a concealed firearm pursuant to a valid concealed carry weapons permit or license issued in another state. Any person who is twenty-one (21) years of age or older having a valid firearm license from another state may apply for a concealed handgun license in this state immediately upon establishing a residence in this state.
Historical Data Laws 1996, HB 2530, c. 191, § 20, emerg. eff. May 16, 1996; Amended by Laws 1998, SB 1181, c. 286, § 7, emerg. eff. July 1, 1998 (superseded document available); Amended by Laws 2003, SB 834, c. 465, § 9, emerg. eff. July 1, 2003 (superseded document available).