Iowa Code § 306B.1

As used in this chapter:

1. “Advertising device” means any outdoor sign, display, device, figure, painting, drawing, message, placard, poster, billboard, or any other device designed, intended, or used to advertise or inform, for which remuneration is paid or earned in exchange for its erection, display, or existence by any person, and which is visible from the traveled portion of any highway of the interstate system in this state.

2. “Department” means the state department of transportation.

3. “Interstate system” means the system of highways as described in 23 U.S.C. §103(c) or amendments thereto.

4. “Remuneration” means the exchange of anything of value, including but not limited to money, securities, real property interests, personal property interests, goods, services, future consideration, exchange of favor, or forbearance of debt.