Specialty Law Enforcement Schedule Previous May 2021 May 04-06, 2021; Tuesday - Thursday OWI & SFST for Certification through Examination Johnston, IA Click to Register 20 Seats Remaining Registration Closes: 4/20/2021 May 20, 2021 - Thursday Campaign of Consciousness Johnston, IA Click to Register Click here To View / Download Flyer 30 Seats Remaining Registration Closes: 5/6/2021 May 27, 2021 - Thursday OWI / Implied Consent & SFST Refresher Waterloo, Iowa Click to Register 15 Seats Remaining Registration Closes: 5/13/2021 Previous