In 2 Corinthians 5:20, Paul calls himself Christ's ambassador — here he forgives in Christ's person, acting on that same ambassadorial authority.

2 Corinthians 13:3 speaks of Christ speaking through Paul — the very reality behind Paul's forgiveness 'in the person of Christ'.

In Matthew 18:18, Jesus grants the church authority to bind/loose — Paul's forgiveness here exercises that loosing power in Christ's presence.

In John 20:23, Jesus gives apostles authority to remit sins — Paul acts on that authority when forgiving in Christ's person.

In Matthew 9:6, Jesus demonstrates his divine authority to forgive sins on earth — Paul here forgives in Christ's person, exercising delegated authority.

In Matthew 16:19, Jesus gives Peter the keys to bind/loose — Paul's forgiveness here acts as loosing, exercising that apostolic authority.

Ephesians 4:32 commands forgiveness 'as God in Christ forgave you' — the same basis Paul uses when forgiving in Christ's person.

Colossians 3:13 urges forgiveness 'as the Lord forgave you' — reinforcing the Christ-centered pattern Paul follows in his own forgiveness.

Luke 5:20 shows Jesus directly forgiving sins, demonstrating the divine authority Paul later exercises 'in the person of Christ'.

Acts 5:31 declares Jesus exalted to grant repentance and forgiveness — the source of the forgiveness Paul administers in Christ's person.