Instead, as a result of Father's plea, Gabriel had been labeled Uncertain and given the additional year. He would continue to be nurtured at the Center and would spend his nights with Jonas's family unit. Each family member, including Lily, had been required to sign a pledge that they would not become attached to this little temporary guest, and that they would relinquish him without protest or appeal when he was assigned to his own family unit at next year's Ceremony. (6.19)
The Giver's face took on a solemn Look. "I wish they wouldn't do that," he said quietly, almost to himself.
"Well, they can't have two identical people around! Think how confusing it would be!" Jonas chuckled. (19.3-4)