At any time in an individual proceeding the parties thereto may enter into stipulation for the issuance of an order, specifying its terms, or may enter into an agreement for settlement upon specified terms, or may consent to the issuance of an order upon specified terms. In either event the stipulation, the settlement agreement or the consent shall be reduced to writing duly executed by the parties, or shall be entered upon the record in open hearing. Orders made under this rule shall be in writing and shall be served as other orders are served.
Okla. Admin. Code § 505:1-7-17