Regardless of the size of the church, every church within the church federation forms the body of Christ. Therefore, no church should accept members from another church without the consent of the church where the members are coming from. In this way the boundaries of churches in the federation are respected. Looking at Belgic Confession Article 28, this article emphasizes the importance of being a member of your local church.

This article is on Article 31 of the Church Order, discussing the structure of the Church federation and communication within this structure. 

Why is a church federation important? This article discusses this question while looking at the dangers of independentism and hierarchy in the church.

Is a church federation the only way in which churches can show their unity? Looking at the unity of God's people from the Old and New Testament, this article shows that God's people are called to be one. The author traces this expression of church unity through the Reformation, showing that there is a way of acknowledging each other while embracing diversity. There can be "federation of federations".

This is an overview of what it means to be a church federation. This article also discusses the major assemblies.

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.

In this article the author wants to show from Scripture that a Theological Seminary (Theological training) is a institute that should be governed and controlled by the churches/church federation.

Is there any value in being part of a church federation and being bound to the decisions of a synod?

This article is about church unity and the Lord's Table / Lord's Supper. Church unity and different church federations is also discussed, as well as John 17:21.