DUI and the reserves?

I just joined the reserves after completing my obligation of active duty. I am under no obligation in the reserves and can drop back to the IRR if I choose to. Long story short, went out to celebrate (like an idiot) joining the unit and got a DUI. The chain of command has not been notified but if I withdraw from the reserves without telling the chain of command what happened would it have a serious effect on me after I drop to the IRR if they were to find out?