Where does the Bible say that churches must join together in a federation? This article looks at the characteristics of the church (unity, catholicity, apostolicity and holiness of the church) and what this means for churches to form a federation. The author also looks at Scriptural references that are important for church federation, and how the churches in the New Testament lived together in unity.

When you see all the different churches there are, how do you know which one you must attend? This article presents the three marks of the church as helpful indicators of a gospel church.