The North Carolina Waiver of the Service of Summons-AO 399 is a legal document used in North Carolina to waive service of summons in civil lawsuits. This document must be completed, signed, and filed with the court by the defendant before a trial may take place. The Waiver of the Service of Summons-AO 399 allows the defendant to agree to accept service of the summons, without the need for personal service. This document also allows the defendant to indicate their choice of venue, if applicable, as well as the desired date and time for a hearing. There are two types of North Carolina Waiver of the Service of Summons-AO 399: The Waiver of Service of Summons by Mail and the Waiver of Service of Summons by Publication. The Waiver of Service of Summons by Mail is used when the defendant is known and may be served by mail. The Waiver of Service of Summons by Publication is used when the defendant is unknown or cannot be found.