Authorizes cities, towns, code cities, counties, and metropolitan park districts to require a federal background investigation, a state criminal background investigation, and/or a criminal background investigation conducted through a private organization of their employees, applicants for employment, volunteers, vendors, and independent contractors who, in the course of their work or volunteer activity, may have unsupervised access to children, persons with developmental disabilities, or vulnerable adults.

Requires the city, town, code city, county, or metropolitan park district to pay the costs associated with the record check.