The chief negotiator for the state of Iowa negotiates collective agreements with three union groups. Click on the links below to see the current contracts with each of these groups. Agreement 2019 – 2021 between the State of Iowa and SPOC PDF. 2019 – 2021 Collective Agreement between the State of Iowa and AFSCME, Council 61, AFL-CIO PDF Original Proposal from the State of Iowa to the IUP Scientific Unit PDF Council of State Police Officers (SPOC) First Proposal PDF. . . .