(a) Prior to the release by the Department of Human Services of any person admitted pursuant to any provision of this Article, the Department of Human Services shall give written notice to the Sheriff of the county from which the defendant was admitted. In cases where the arrest of the defendant or the commission of the offense took place in any municipality with a population of more than 25,000 persons, the Department of Human Services shall also give written notice to the proper law enforcement agency for said municipality, provided the municipality has requested such notice in writing.
     (b) Where a defendant in the custody of the Department of Human Services under any provision of this Article is released pursuant to an order of court, the clerk of the circuit court shall, after the entry of the order, transmit a certified copy of the order of release to the Department of Human Services and the Sheriff of the county from which the defendant was admitted. In cases where the arrest of the defendant or the commission of the offense took place in any municipality with a population of more than 25,000 persons, the Clerk of the circuit court shall also send a certified copy of the order of release to the proper law enforcement agency for said municipality provided the municipality has requested such notice in writing.