Okla. Stat. tit. 30, § 30-3-313: Notice of petition in home state of respondent

If a petition for the appointment of a guardian or issuance of a

protective order is brought in this state and this state was not the

respondent’s home state on the date the petition was filed, in

addition to complying with the notice requirements of this state,

notice of the petition shall be given to those persons who would be

entitled to notice of the petition if a proceeding were brought in

the respondent’s home state. The notice shall be given in the same

manner as notice is required to be given in this state.