Do I still have to continue with treatment (drug & alcohol) if I get off probation?

While on probation my P.O. enrolled me in drug and alcohol treatment. Now it looks as if I’ll be getting off probation very soon but I have a few months left of my treatment. I figured I’m ordered to be there as a result of being on probation so if I get off I don’t need to attend anymore. Is it so?
Never appeared before a judge. My P.O. told me to do it so I did.

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