These fields should describe, if known, the location of the party(s) being described. If the party is an individual, the legal residence (or "domicile") is appropriate. If the party is a corporation, list both the principal place of business and the state of incorporation. For non-corporation organizations and other groups, such as schools and non-profits, list the physical location or primary site of operations. You may select multiple locations in the event of multiple parties or multiple residences. Hold the CTRL key  (or Command key, for Macs) while clicking in order to select multiple options. When selecting a state within the United States, you only need to select the name of the state, not the name of the state and "United States".

If the legal threat is a lawsuit, you typically will be able to find this information in the court documents. The complaint, answer, and any court decisions often will include this information, usually near the beginning of the document.