Service on any person of any notice or order or other matter under the provisions of this act may be made by mailing such notice, or order or other matter, or a certified copy thereof, in a registered letter requiring receipt, directed to the public utility at the principal office of such public utility in this state.
Wyo. Stat. Ann. § 37-2-202
Service of notice
Official source: Wyoming Legislature. Reproduced from public-domain Wyoming statutes; confirm against the official source for the current text. Not legal advice.