1. (a) The petition and citation and all subpoenas shall be served personally in the manner authorized by state law for service of summons in a judicial proceeding or by certified mail, return receipt requested, delivery restricted to the addressee. If personal service or service by certified mail cannot be completed, service of the petition and citation may be made by first class mail to the respondent at the last address furnished to the Board by the respondent or by publication in a newspaper or newspapers for the time, or posting at the places, the Secretary of the Board determines will be most likely to provide notice to the respondent.
2. (b) Personal service may be made by any person appointed by the Executive Director, Board Investigators, or any person authorized by State law to serve process in judicial proceedings.
3. (c) Service of all other papers shall be made by first-class mail to the address at which service of the petition and citation was made or in the manner by which such service was made if not by mail or personal service or such other address designated by the respondent; to the Board at its office; and to the address designated by any other party to the proceeding.
4. (d) Service by mail shall be complete three (3) days after the date the notice is placed in the U.S. Mail with sufficient postage prepaid. Service by publication shall be complete on the date of the first publication. Service by posting shall be complete on the date the notice is posted. Personal service shall be complete upon delivery.

Amended at 13 Ok Reg 2219, eff 6-27-96

Amended at 39 Ok Reg 2043, eff 9-11-22

Amended at 42 Ok Reg, Number 20, effective 7-11-25