Ariz. Rev. Stat. » Title 40
Arizona Revised Statutes

Ariz. Rev. Stat. § 40-203 (2026)

Power of commission to determine and prescribe rates, rules and practices of public service corporations

✓ current as of May 2026
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When the commission finds that the rates, fares, tolls, rentals, charges or classifications, or any of them, demanded or collected by any public service corporation for any service, product or commodity, or in connection therewith, or that the rules, regulations, practices or contracts, are unjust, discriminatory or preferential, illegal or insufficient, the commission shall determine and prescribe them by order, as provided in this title.

Notes of Decisions
Cited in 4 cases, 1978–2002 · leading case: Campbell v. Mountain States Tel. & Tel. Co., 586 P.2d 987 (Ariz. Ct. App. 1978).
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Campbell v. Mountain States Tel. & Tel. Co., 586 P.2d 987 (Ariz. Ct. App. 1978). · cites it 4× “In particular, A.R.S. § 40-203 gives the Commission power to correct “insufficient practices” of public service corporations.”
Qwest Corp. v. Kelly, 59 P.3d 789 (Ariz. Ct. App. 2002). · cites it 2× “§ 40-241 (giving the Commission power to investigate claims and inspect the records of public service corporations); § 40-202(A) (providing Commission with power to supervise and regulate public service corporations); § 40-110 (establishing consumer services section for the…”
Metro Mobile CTS, Inc. v. Newvector Commc'ns, Inc., 661 F. Supp. 1504 (D. Ariz. 1987). · cites it 4× “section 40-203. Such a broad mandate carries with it the power and indeed the responsibility to examine all aspects of a proposed tariff, including aspects that affect an unregulated market.”
Qwest Corp. v. Mark McMahon (Ariz. Ct. App. 2002). · cites it 2× “§ 40-241 (giving the Commission power to investigate claims and inspect the records of public service corporations); § 40-202(A) (providing Commission with power to supervise and regulate public service corporations); § 40-110 (establishing consumer services section for the…”
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