North Carolina General Statutes Chapter 105. Taxation § 105-241.22. Collection of tax

(1) When a taxpayer files a return showing an amount due with the return and does not pay the amount shown due. This subdivision does not apply to a consolidated or combined return filed at the request of the Secretary under Part 1 of Article 4 of this Chapter.

(2) When the Department sends a notice of collection after a taxpayer does not file a timely request for a Departmental review of a proposed assessment of tax or based upon taxpayer inaction in accordance with G.S. 105-241.13A.

(3) When a taxpayer and the Department agree on a settlement concerning the amount of tax due.

(4) When the Department sends a notice of final determination concerning an assessment of tax and the taxpayer does not file a timely petition for a contested case hearing on the assessment.

(5) When a final decision is issued on a proposed assessment of tax after a contested case hearing.

(6) When a petition for a contested case at the Office of Administrative Hearings is dismissed and the period for timely filing a petition has expired.