Okla. Stat. tit. 60, § 60-1603.3: Representation by fiduciaries and parents

To the extent there is no conflict of interest between the

representative and the person represented or among those being

represented with respect to a particular question or dispute:

1. A guardian of the property may represent and bind the estate

that the guardian controls;

2. A guardian of the person may represent and bind the ward if

a guardian of the property of the ward's estate has not been

appointed;

3. An agent having authority to act with respect to the

particular question or dispute may represent and bind the principal;

4. A trustee may represent and bind the beneficiaries of the

trust;

5. A personal representative of a decedent's estate may

represent and bind persons interested in the estate; and

6. A parent may represent and bind the parent's minor or unborn

child if a guardian of the property or guardian of the person for

the child has not been appointed.