 Senate Bill 1137 did not go into effect.Prop 36 is not retroactive, meaning that defendants who had to attend unlicensed drug rehabs prior to Prop 36 and the Drug Courts are not afforded the opportunity to have their cases reheard in court.Prop 36 and the Drug Courts have discontinued the use of unlicensed rehabs as sentencing tools, due to concerns that unlicensed treatment could be unethical.