Okla. Stat. tit. 12, § 12-1186: Garnishee not liable for what - Judgment on unmatured

obligation.

No judgment shall be rendered upon a liability of the garnishee

arising --

First, By reason of his having drawn, accepted, made, endorsed

or guaranteed any negotiable bill, draft, note, or other security.

Second, By reason of any money or other thing received or

collected by him as sheriff or other officer, by force of an

execution or other legal process in favor of the defendant.

Third, By reason of any money in his hands as a public officer,

and for which he is accountable to the defendant merely as such

officer.

Fourth, By reason of any money or other thing owing from him to

the defendant, unless before judgment against the defendant it shall

become due absolutely and without depending on any future emergency.

Judgment may be given for any money or other thing owing, although

it has not become payable, in which case the garnishee shall not be

required to pay or deliver it before the time appointed by the

contract.