Louisiana Code of Criminal Procedure Tit. XXVI, Art. 801. Time for charge; when written charge required

A. The court shall charge the jury after the presentation of all evidence and arguments. The court shall reduce its charge to writing if it is requested to do so by either a defendant or the state prior to the swearing of the first witness at the trial on the merits. The court's written charge shall be read to the jury. The court shall deliver a copy thereof to the defendant and to the state prior to reading it to the jury.

C. A party may not assign as error the giving or failure to give a jury charge or any portion thereof unless an objection thereto is made before the jury retires or within such time as the court may reasonably cure the alleged error. The nature of the objection and grounds therefor shall be stated at the time of objection. The court shall give the party an opportunity to make the objection out of the presence of the jury.