S.C. Code Ann. § 63-15-530: Effect of prior judicial order or agreement.

In a proceeding for a grant of custodial responsibility pursuant to this subarticle, the following rules 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 meet the requirements of the law of this State, other than this article, for 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 pursuant to Subarticle 2, unless the court finds the agreement contrary to the best interest of the child.