Effective October 1, 2015 per N.C.G.S. § 161-10(a)(1):

​For an instrument that contains excessive recording data, the fee shall be an additional two dollars ($2.00) for each party listed in the instrument in excess of 20.  An instrument contains excessive recording data when there are more than 20 distinct parties listed in the instrument, including any attachments and exhibits, that require indexing pursuant to N.C.G.S. § 147-54.3 or this Chapter.