Okla. Stat. tit. 84, § 84-22: Disclaimer of interests passing by will, intestate

succession, etc. - Definitions

As used in this act, unless otherwise clearly required by the

context:

1. "Beneficiary" means and includes any person entitled, but

for his disclaimer, to take an interest, by intestate succession; by

devise; by legacy or bequest; by succession of a disclaimed interest

by will, intestate succession or through the exercise or nonexercise

of a testamentary power of appointment; by virtue of a renunciation

and election to take against a will; as beneficiary of a

testamentary trust; pursuant to the exercise or nonexercise of a

testamentary power of appointment; as donee of a power of

appointment created by testamentary instrument; or otherwise under a

testamentary instrument;

2. "Interest" means and includes the whole of any property,

real or personal, legal or equitable, or any fractional part, share

or particular portion or specific assets thereof or any estate in

any such property or power to appoint, consume, apply or expend

property or any other right, power, privilege or immunity relating

thereto; and

3. "Disclaimer" means a written instrument which declines,

refuses, releases, renounces or disclaims an interest which would

otherwise be succeeded to by a beneficiary, which instrument defines

the nature and extent of the interest disclaimed thereby and which

must be signed, witnessed and acknowledged by the disclaimant in the

manner provided for deeds of real estate.