With the eight-year deadline approaching, the official tells The Associated Press the IOC executive board will meet on Friday to readjust the standings from the road race time trial.
The official spoke on condition of anonymity because the decision hasn't been announced yet.
After years of denials, Hamilton told CBS's "60 Minutes" last year that he had repeatedly used performance-enhancing drugs.
The IOC asked for documents from the U.S. Anti-Doping Agency before reallocating the medals.
The gold will now go to retired Russian rider Viatcheslav Ekimov. American Bobby Julich will be moved up from bronze to silver, and Michael Rogers of Australia from fourth to bronze.
IOC to strip Hamilton of Athens gold: Source
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