The communion in grace, which the members of the invisible Church have with Christ, is their partaking of the virtue of his mediation, in their justification, adoption, sanctification, and whatever else in this life manifests their union with him.
Scripture proofs: Rom. 8:30; Eph. 1:5; 1 Cor. 1:30.
Source: The Constitution of the Reformed Presbyterian Church of North America, updated 2026, B-12.