Ariz. Rev. Stat. § 38-626
A. When the official duties or activities of a public officer, deputy or employee of the state or of any department, institution, commission, board or other agency of the state necessitate out-of-state travel, the travel order shall be countersigned by the agency head or by the president of the respective university for its university employees and is authority to pay the claims from any funds available for such travel. The agency head or the university president may delegate the authority to countersign out-of-state travel orders. Except as provided by subsection B, the department of administration shall:
C. The requirements of subsection A shall not apply under the following: