A. Complaint may be made by any interested party setting forth any act or omission by a telephone company alleged to be in violation of any provision of this act N.M. Stat. Ann. § 63-9-1 to 63-9-19 or any order or rule of the commission relating to the issuance or nonissuance of a certificate of public convenience and necessity.

B. Upon filing of the complaint the commission shall set the time and place of hearing and at least ten days’ notice thereof shall be given to the party complained of. Service of notice of the hearing shall be made in any manner giving actual notice.

C. All matters upon which complaint may be founded may be joined in one hearing and a complaint is not defective for misjoinder or nonjoinder of parties or causes, either before the commission or on review by the courts. The persons the commission allows to intervene shall be joined and heard, along with the complainant and the party complained of.

D. After conclusion of the hearing the commission shall make and file an order containing its findings of fact and decision. A copy of the order shall be served upon the party complained of or his attorney.

E. Conduct of the hearings and rendering of decisions shall be governed by the rules of practice and procedure heretofore or hereafter promulgated by the commission.