Ariz. Admin. Code § R11-2-801
B. In addition to the definitions provided in A.R.S. § 27-901, the following definitions apply to this Article:
“ICPA” means Independent Certified Public Accountant.
“Parent corporation” means a corporation which directly owns at least 50% of the voting stock of the corporation which is the owner or operator. Any latter corporation is considered a “subsidiary” of the parent corporation.
“Substantial business relationship” means the extent of a business relationship which is necessary, under applicable state law, to make a guarantee contract (issued on the basis of that relationship) valid and enforceable. A “substantial business relationship” shall arise from a pattern of recent or ongoing business transactions, so that a currently existing business relationship between guarantor and the owner or operator is shown to the satisfaction of the State Mine Inspector.
Adopted effective January 6, 1997 (Supp. 97-1).