Okla. Stat. tit. 12 § 1148.5
Current through Laws 2024, c. 453.
The summons may be served as in other cases except that such service shall be at least three (3) days before the day of trial, and the return day shall not be later than the day of trial, and it may also be served by leaving a copy thereof with some person over fifteen (15) years of age, residing on the premises, at least three (3) days before the day of trial; or, if service cannot be made by the exercise of reasonable diligence on the tenant or on any person over the age of fifteen (15) years residing on the premises, the same may be served by certified mail with return receipt postmarked at least three (3) days before the date of trial.
Okla. Stat. tit. 12, § 1148.5