206-3 Wyo. Code R. § 3-5
(a) A properly aggrieved party may file a petition with the State Superintendent requesting a contested case proceeding. The petition shall be in accordance with the provisions contained in this Chapter.
(b) The petition shall be served on the State Superintendent and other necessary parties. Service shall be made to the Wyoming Department of Education, c/o State Superintendent of Public Instruction, 2300 Capitol Avenue, Hathaway Building, 2nd Floor Cheyenne, Wyoming 82002-0050. Service can be made in person, by mail or received by facsimile,307-777-6234, during regular business hours. Any facsimile received after regular business hours will be treated as received during the regular business hours of the next working day.
(c) The petition shall be filed with the State Superintendent within forty-five (45) days of the date of the administrative decision at issue or of the date of mailing of the final administrative decision as evidenced by a postmark, whichever is later. The State Superintendent may grant an exception in circumstances where good cause is shown.
206-3 Wyo. Code R. § 3-5