All applications filed under A.R.S. § 40-253 for further hearings, rehearings, re-arguments, reconsideration or modification of orders issued in proceedings arising out of Article XV of the Constitution or Title 40 of Arizona Revised Statutes with respect to the Commission's regulation of public service corporations shall be filed within 20 days from the date of the order of the Commission.
Ariz. Admin. Code § R14-3-111