(a) When any youth is committed to the Division of Youth Services of the Department of Human Services as authorized in this section, the youth shall be under the exclusive care, physical custody, and control of the division from the time of the lawful reception of the youth by a youth services center until the youth is released from the physical custody of the division.
(b) The fact that a youth has been committed to the division shall not be received in evidence in any court in this state in any subsequent proceeding affecting the youth, except as otherwise provided by law.