Ariz. Rev. Stat. § 40-812
C. No purchase or lease under this section shall be entered into unless the railroad purchased or leased, or the railroad company whose stock is purchased, shall, when constructed, form a branch of, or a continuous line with the railroad of the purchasing company, either by direct connection therewith, or through an intermediate line or lines, constructed or to be constructed, which the first railroad company owns, leases or has the right by contract or otherwise to use or operate, provided that:
C. Railroad corporations may consolidate their capital stock, properties, liabilities, and assets of every kind upon terms and in any manner agreed upon by their respective boards of directors. No consolidation shall take effect until it has been ratified and confirmed in writing by stockholders of the respective corporations representing three-fourths of the subscribed capital stock of the respective corporations. In case of consolidation, articles of incorporation and consolidation shall be prepared, setting forth: