N.C. Gen. Stat. § 50A-373: Effect of prior judicial decree or agreement.

In a proceeding for a grant of custodial responsibility pursuant to this Part, the following shall apply:

(1) A prior judicial order designating custodial responsibility of a child in the event of deployment is binding on the court unless the circumstances require modifying a judicial order regarding custodial responsibility.

(2) The court shall enforce a prior written agreement between the parents for designating custodial responsibility of a child in the event of deployment, including a prior written agreement executed under Part 2 of this Article, unless the court finds the agreement contrary to the best interest of the child. (2013-27, s. 3.)