Georgia Code Title 15. Courts § 15-11-322

If a petition seeking the adoption of a child whose parents have had their parental rights terminated or surrendered is not filed within six months after the date of the disposition order, the court shall then, and at least every six months thereafter so long as such child remains unadopted, review the circumstances of such child to determine what efforts have been made to assure that such child will be adopted. The court shall:

The court may consider any evidence, including hearsay evidence, that the court finds to be relevant, reliable, and necessary to determine the needs of a child and the permanency and custody of a child whose parents have had their parental rights terminated or who have surrendered their parental rights.