Okla. Stat. tit. 58 § 719.1
In all proceedings for the administration of estates of deceased persons, or for the probate, or interpretation, of wills of deceased persons, in all courts of this state, wherein it appears from the petition for admission of a will to probate, or from the petition or other pleading asking for the interpretation of a last will and testament, that the State of Oklahoma is named as a beneficiary in such will, or wherein it appears from the petition for appointment of administrator, or otherwise, that an intestate left no spouse or kindred surviving, or that it is not known whether or not the intestate left a spouse or kindred surviving or that the names and whereabouts of the spouse or kindred, if any, of the intestate are unknown, or wherein it otherwise appears that the State of Oklahoma is, or may be, entitled to share in the distribution of the estate of the decedent, any and all notices provided for by statute to be served, personally, or by mail, upon persons or parties interested in the estate shall be served upon the State of Oklahoma by mailing true and correct copies of such notice, by registered mail, postage prepaid, to the Governor of the State of Oklahoma, and to the Attorney General of the State of Oklahoma, Capitol Building, Oklahoma City, Oklahoma, and, where the jurisdiction of the court to enter a judgment, order or decree in such cases depends upon the giving of proper notice to all persons or parties interested in an estate, such jurisdiction shall not vest in any such court, as to the State of Oklahoma, unless and until the notice provided by law has been given to the State of Oklahoma in the manner prescribed herein. If the notice provided for herein be given in the manner prescribed herein, the jurisdiction of the court, as to the State of Oklahoma as a party entitled to share, or possibly entitled to share, in the distribution of the estate of the decedent, shall be the same as it is as to other persons or parties entitled to share, or possibly entitled to share, in the distribution of such estate, when properly served with notice required by law.
Okla. Stat. tit. 58, § 719.1