Ga. R. Super. Ct. 3.2
When practical, all actions involving substantially the same parties, or substantially the same subject matter, or substantially the same factual issues, whether pending simultaneously or not, shall be assigned to the same judge. Whenever such action is refiled, or a derivative or companion action is filed or refiled, or a defendant is reindicted on a previous charge, or is indicted on a subsequent charge while still under charges or serving a confinement or probated sentence on a previous action, or co defendants are indicted separately, such actions shall be assigned to the judge to whom the original action was or is assigned. Generally, such actions will be assigned to the judge to whom the action with the lower action number is assigned.
Ga. R. Super. Ct. 3.2