Iowa Code § 123.44: Gifts prohibited.

A manufacturer or broker shall not give away alcoholic liquor at any time in connection with the manufacturer’s or broker’s business except for testing or sampling purposes only. A manufacturer, distiller, vintner, brewer, broker, wholesaler, or importer, organized as a corporation pursuant to the laws of this state or any other state, who deals in alcoholic beverages subject to regulation under this chapter shall not offer or give anything of value to a commission member or official or employee of the department under this chapter, or directly or indirectly contribute in any manner any money or thing of value to a person seeking a public or appointive office or a recognized political party or a group of persons seeking to become a recognized political party.