Chesapeake Employers to Alter Rate Structure in 2020 By Melissa Esham 5/5/2016 Chesapeake Employers carries workers compensation coverage for many of our insureds and other businesses in Maryland. Due to a court ruling the carrier will have to change the rate structure. Chesapeake Employers will be changing the rating method and complying with a national rating method imposed by the National Council on Compensation Insurance (NCCI). This change in rate structure will begin to be phased to insureds in 2020. As the company goes through these changes we will watch to see how this affects our insureds. Click here to read an informative article from the Insurance Journal.