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The primary purpose of the union of Churches in the World Federation of Churches is to call one another to visible unity in one Christian Faith and fellowship, expressed in worship and common life in Christ, through our witness and service to the world, and to advance towards this unity in order that the world may believe.

Organized for the Small and Independent Churches
The WFC was organized by the World Bishops' Council to address the needs of small and independent congregations.

The WFC aims to distinguish legitimate small churches from non legitimate through an extensive membership process. Upon acceptance, a "Certificate of Authenticity" is issued.

Any church may apply for WFC membership.