90.603 Disqualification of witness.—A person is disqualified to testify as a witness when the court determines that the person is:(1) Incapable of expressing himself or herself concerning the matter in such a manner as to be understood, either directly or through interpretation by one who can understand him or her.(2) Incapable of understanding the duty of a witness to tell the truth.History.—s. 1, ch. 76-237; s. 1, ch. 77-77; s. 22, ch. 78-361; s. 1, ch. 78-379; s. 482, ch. 95-147.
Florida Legal Code