Okla. Stat. tit. 18, § 18-564.1
Extinct church, religious corporation, etc. -
Preservation and protection of property.
The property, both real and personal, belonging to or held in
trust by or for any church, religious corporation, association,
organization, or society, that has or shall become extinct, or that
has or shall cease to function and use its property, shall be
preserved and protected from waste and dilapidation.