Ariz. Admin. Code § R15-2D-704
3. “Base of operations” means the site of more or less permanent nature from which the employee starts work and to which the employee customarily returns in order to:
For the purpose of determining whether compensation is paid in this state under this Article and A.R.S. § 43-1144, the following definitions apply:
Recodified at 6 A.A.R. 2308, filed in the Office of the Secretary of State June 2, 2000 (Supp. 00-2). Amended by final rulemaking at 7 A.A.R. 4973, effective October 5, 2001 (Supp. 01-4).