Okla. Stat. tit. 58, § 58-3016

A. The following persons may petition a court to construe a

power of attorney or review the agent's conduct and grant

appropriate relief:

1. The principal or the agent;

2. A guardian, conservator or other fiduciary acting for the

principal;

3. A person authorized to make health care decisions for the

principal;

4. The principal's spouse, parent or descendant;

5. An individual who would qualify as a presumptive heir of the

principal;

6. A person named as a beneficiary to receive any property,

benefit or contractual right on the principal's death or as a

beneficiary of a trust created by or for the principal that has a

financial interest in the principal's estate;

7. A governmental agency having regulatory authority to protect

the welfare of the principal;

8. The principal's caregiver or another person that

demonstrates sufficient interest in the principal's welfare; and

9. A person asked to accept the power of attorney.

B. Upon motion by the principal, the court shall dismiss a

petition filed under this section, unless the court finds that the

principal lacks capacity to revoke the agent's authority or the

power of attorney.