The council sends its letter to Gentile believers
The apostles and elders sent Judas and Silas with Paul and Barnabas to deliver their decision. The believers at Antioch rejoiced at the letter's encouragement, and Judas and Silas strengthened them with many words (Acts 15:22-35).
About AD 49-50
22Then the apostles and elders, with the whole church, decided to select men from among them to send to Antioch with Paul and Barnabas. They chose Judas called Barsabbas and Silas, two leaders among the brothers, 23and sent them with this letter: The apostles and the elders, your brothers, To the brothers among the Gentiles in Antioch, Syria, and Cilicia: Greetings. 24It has come to our attention that some went out from us without our authorization and unsettled you, troubling your minds by what they said.