The director may appoint deputy directors and may designate one or more of the deputies as acting director. A deputy designated to serve in the absence of the director has all of the powers possessed by the director. The director may employ certified public accountants, engineering and technical assistants, and other employees, or independent contractors necessary to protect the interests of the state and any political subdivision.
Iowa Code § 421.4
86 Acts, ch 1245, §420; 94 Acts, ch 1165, §1; 97 Acts, ch 158, §4