Ga. Code § 44-6-182
If an order for service by publication of the summons for a writ of partition is granted and the court determines that the property may be heirs property, the plaintiff, not later than ten days after the court's determination that the property may be heirs property, shall post a sign in the right of way adjacent to the property which is the subject of the writ of partition, and the plaintiff shall maintain such sign while the action is pending. The sign shall state that a writ of partition has commenced, the name and address of the court in which the action is pending, and the common designation by which the property is known. The court may require the plaintiff to publish the name of the plaintiff and names of the known defendants on the sign.
OCGA § 44-6-182