Okla. Stat. tit. 60, § 60-175.91: Validity of trust provisions

A. A provision which provides that a current distribution

interest shall either become a discretionary interest or shall

terminate upon the attachment by a creditor, including an exception

creditor, is valid.

B. A provision that provides a remainder interest shall

terminate or change into a dynasty interest upon attachment by a

creditor, including an exception creditor, is valid.