A Nevada Complaint for Separation — No Children is a legal document filed in court by one spouse who is seeking to end a marriage with no children involved. It is used to officially begin the legal process of separation and to inform the court of the grounds for seeking a divorce. There are two types of Nevada Complaint for Separation — No Children: a Complaint for Separate Maintenance and a Complaint for Divorce. A Complaint for Separate Maintenance is used to legally separate the parties without legally ending the marriage. A Complaint for Divorce is used when a couple wants to legally end their marriage.