The producer or association of producers shall furnish a copy of the statement as provided by this subsection to the distributor, which shall constitute a notice of claim of lien. The notice shall be served personally by a person authorized by law to serve process or by certified mail. The lien granted by this section shall be effective as of the time it is filed with the clerk of court. Provided the distributor shall have the right to contest the validity of such lien by filing, with the clerk of court and serving on the producer within 10 days after he receives notice that the producer has filed a claim of lien, a notice that the distributor contest the amount due thereunder. In the event the distributor fails to contest the lien or is unsuccessful in obtaining a discharge of the lien, the lien shall be perfected as of the date of filing with the clerk of court.
N.C. Gen. Stat. § 44-69.3