Find Local Rules and Forms that provide procedures and guidelines for courts in Mecklenburg County. Interrogatories are one form of discovery in a lawsuit.An interrogatory is a written question from one party to the lawsuit to another party to the lawsuit. Looking for local rules and forms? (2) Notice and Service. This document is a collection of links to fillable forms that are available on NC Administrative Office of the Courts or AOC. Yet another form of this category of interrogatory asks an opponent to state all the evidence on which it bases some specified contention.