Okla. Stat. tit. 60, § 60-654: Deposit held by utility

A deposit, including any interest thereon, made by a subscriber

with a utility to secure payment or any sum paid in advance for

utility services to be furnished, less any lawful deductions, that

remains unclaimed by the owner for more than one (1) year after

termination of the services for which the deposit or advance payment

was made is presumed abandoned.