The accused or his lawyer first, and then the public prosecutor, shall challenge such jurors as they see fit, as their names come out of the ballot box, except for the limitation expressed in article 298.
The accused, his lawyer or the public prosecutor may not state their grounds for challenge.
The trial jury is formed at the moment when the names of six or nine jurors who have not been challenged are taken from the ballot box, according to the distinctions provided for in the first paragraph of article 296, and the names of the additional jurors provided for in article 296.