Part 2 of a 4 part series. In this article, Roger Wagner continues his series on church discipline with a discussion of the authority for church discipline, the efficacy of church discipline and the process of church discipline. Wagner uses the paradigm in Matthew 18:15-17 to guide his discussion. Part 1 is in Vol. 6:1; Part 2 in Vol. 6:2; Part 3 in Vol. 6:3 and Part 4 in Vol. 6:4