Acts 15:25 records the unanimous decision that resulted from the gathering in Acts 15:6—the same council reaches a conclusion.

Acts 6:2 shows the apostles gathering to resolve a dispute about serving tables—a parallel leadership meeting to the one in Acts 15:6.

Acts 16:4 records the delivery of the decisions made by this very council of apostles and elders.

Acts 21:18 shows Paul meeting with James and all the elders—the same leadership group that gathered in Acts 15:6 to decide on the law.

Acts 14:23 describes appointing elders in churches—the same office that later convenes in this council.

Proverbs 15:22 advises seeking many advisers for success—Acts 15:6 enacts this principle by gathering apostles and elders to consider the matter.

Proverbs 11:14 teaches safety in many counselors—a principle embodied by this council of apostles and elders.