With respect to all pleadings subsequent to the original complaint and other papers required or permitted to be served, service shall be made upon the party's attorney of record and, if ordered by the court, also upon the party. If the party has no attorney of record, service shall be made upon the party.
Service is made under this subsection if performed on an attorney through the court's electronic filing or case management system at an email address of record with the court. Service is made under this subsection if performed on a party through the court's electronic filing system or case management system at an email address of record with the court in the case if the party has consented to receive service through the court's electronic filing or case management system and a copy of the consent is filed with the court by any party. Service through the court's electronic filing or case management system must be sent by 5:00 P.M. Eastern Time on a regular business day. If the service is sent after 5:00 P.M., it will be deemed to have been sent on the next business day.
When service through the court's electronic filing or case management system is not available, service may be made as follows:
Service by mail shall be complete upon deposit of the pleading or paper enclosed in a post-paid, properly addressed wrapper in a post office or official depository under the exclusive care and custody of the United States Postal Service.
All other papers, regardless of whether these rules require them to be served upon a party, should not be filed with the court unless (i) the filing is agreed to by all parties, or (ii) the papers are submitted to the court in relation to a motion or other request for relief, or (iii) the filing is permitted by another rule or statute. The party taking a deposition or obtaining material through discovery is responsible for its preservation and delivery to the court if needed or so ordered.
N.C. Gen. Stat. § 5