RPTR FAILED TO INITIALLY RESTRICT A DEP TO 13000 FT BASED ON PREVIOUS INTRAFAC COORD BY THE DEP CTLR FOR TFC AT 14000 FT. RPTR CLAIMS THE RESTR 'STICKER' WAS NOT IN SCAN AREA.

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I RECEIVED AN ALT RESTR OF 13000 FT FROM ORD S DEP. BECAUSE OF THE ONGOING PROB WE HAVE AT THAT SECTOR OF REPOSITIONING THE ALT RESTR 'STICKER;' I COULD NOT PUT THE 'STICKER' IN MY AIRSPACE. THEREFORE IT WAS NOT IN MY 'SCAN' AREA (AIRSPACE). I CLBED TFC OFF MDW TO FL210. AT 12700 FT I NOTICED AN UNTAGGED TARGET AT 14000 FT IN MY DEP PATH. I TOLD MY ACFT TO MAINTAIN 13000 FT. HE SAID HE'D HAVE TO GO THROUGH IT BUT WOULD RETURN TO 13000 FT I ISSUED TFC HE RPTED IT IN SIGHT. I TOLD HIM MAINTAIN VISUAL SEPARATION ALTHOUGH STANDARD SEPARATION MAY HAVE BEEN COMPROMISED. I FEEL THE PRIMARY REASON THIS SIT OCCURRED WAS THE PROB WE HAVE OF REPOSITIONING THE ALT RESTR STICKER WHERE IT IS OBVIOUS. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATED THERE WAS NO LTSS. RPTR INDICATED A BLINKING STICKER IS DISPLAYED ON THE SCOPE AUTOMATICALLY WHEN ACTIVATED BY AN ARTS KEYBOARD ENTRY. THE DEP CTLR WILL MAKE THIS ENTRY WHEN COORD IS RECEIVED FROM THE CTR REGARDING OVER FLT TFC. THE RPTR ALLEGES THE STICKER CANNOT BE MOVED TO A MORE ADVANTAGEOUS LOCATION WHERE IT CAN BE SEEN TO CALL ATTN TO THE RESTR FOR TFC. RPTR SAID A UCR HAS BEEN FILED AND RETURNED ACKNOWLEDGING THE PROB. RPTR INDICATED THAT THE SOFTWARE CHANGE NEEDED TO REMEDY THE PROB REQUIRES APPROVAL FROM OUTSIDE THE FACILITY BEFORE IT CAN BE CHANGED.