Ariz. Rev. Stat. § 32-2194.24
No certificate of authority shall issue to a corporation or limited liability company organized for the purpose of maintaining and operating a cemetery unless the articles of incorporation or organization certify to the establishment of an irrevocable trust fund for maintenance and operation in accordance with the provisions of this article, and there is attached to the articles of incorporation or organization the written instrument establishing the irrevocable trust fund accompanied by the receipt of the trustee designated in the written instrument for the minimum care fund hereinafter provided. Any cemetery that has been operating before January 1, 1998 and that was not previously required to establish an irrevocable trust fund shall not be required to establish an irrevocable trust fund unless a material change is made to the plan under which cemetery plots are offered for sale.
A.R.S. § 32-2194.24