Just as previous posters have stated, it depends on where you are located/serving. You will need to contact your local HD and the HD that governs any other area that you choose to operate in (many municipalities have requirements separate from the State HD as well). Be prepared for varying requirements and hassles if you operate in numerous jurisdictions. We try to stay within our own HD area and only one other to keep the red tape to a minimum.
Not trying to discourage anyone but just be aware that the requirements can become cumbersome and add expense if you choose to operate in many different areas.
Do I smell SMOKE?????