Iowa Code § 524.209

The superintendent, examiners, and other employees of the banking division shall be entitled to receive reimbursement for expenses incurred in the performance of their duties. The superintendent, and when specifically authorized by the superintendent, examiners, and other employees of the banking division, shall be entitled to receive reimbursement for expenses incurred while attending conventions, meetings, conferences, schools, or seminars relating to the performance of their duties, and such expenses shall be paid by the treasurer of state on warrants drawn by the director of the department of administrative services.