Okla. Stat. tit. 12, § 12-305.1: Pleading recorded instruments affecting real estate

From and after the passage of this act in all civil cases

whereby it is necessary to incorporate, in the pleadings, facts

concerning instruments of record affecting real estate, that such

incorporation may be made by reference to the date of such

instrument, and the book and page number where recorded in lieu of

affixing a copy of the same to such pleadings.