City of St. Louis (22nd Judicial District) (pop. 400,000) requires that all persons who want to become process servers must take and pass a training course (5 nights of classroom instruction with written examination) administered by the Sheriff of the City of St. Louis. Applicants must be 21 years of age, have a high school diploma or GED and no criminal record. All process servers are required to have E&O coverage with limits of at least $100,000.