Code of Civil Procedure Article 279

A fact need not be proved if it is alleged by a party and admitted by the opposing party in the preparatory pleadings, in the oral-argument sessions, or before the commissioned judge or the assigned judge.Where a party makes an addition to or limitation on his/her admission, the court shall, taking all circumstances into consideration, determine whether an admission has been made.Except as otherwise provided, no admission may be withdrawn unless the party making such admission either proves that such admission is contrary to the truth or the opposing party agrees to such withdrawal.