Okla. Stat. tit. 60, § 60-179: Status of trustee - Liability for acts

The trustee, or trustees, under such an instrument or will shall

be an agency of the state and the regularly constituted authority of

the beneficiary for the performance of the functions for which the

trust shall have been created. No trustee or beneficiary shall be

charged personally with any liability whatsoever by reason of any

act or omission committed or suffered in the performance of such

trust or in the operation of the trust property; but any act,

liability for any omission or obligation of a trustee or trustees,

in the execution of such trust, or in the operation of the trust

property, shall extend to the whole of the trust estate, or so much

thereof as may be necessary to discharge such liability or

obligation, and not otherwise.