19. A court may, upon conviction of a person having committed a sexual offence and if satisfied that the convicted person is dependent on or has the propensity to misuse alcohol or any drug and may benefit from treatment, grant an order in terms of section 296 of the Criminal Procedure Act, 1977 (Act No. 51 of 1977), and such an order may be made in addition to any sentence, including a sentence of imprisonment which is not suspended.".