Book of Common Prayer (page 448)

The Priest then pronounces this absolution

Our Lord Jesus Christ, who has left power to his Church to
absolve all sinners who truly repent and believe in him, of
his great mercy forgive you all your offenses; and by his
authority committed to me, I absolve you from all your sins:
In the Name of the Father, and of the Son, and of the Holy
Spirit. Amen.

or this

Our Lord Jesus Christ, who offered himself to be sacrificed
for us to the Father, and who conferred power on his Church
to forgive sins, absolve you through my ministry by the grace
of the Holy Spirit, and restore you in the perfect peace of
the Church. Amen.

The Priest adds

The Lord has put away all your sins.

Penitent Thanks be to God.

The Priest concludes

Go (or abide) in peace, and pray for me, a sinner.

Declaration of Forgiveness
to be used by a Deacon or Lay Person

Our Lord Jesus Christ, who offered himself to be sacrificed
for us to the Father, forgives your sins by the grace of the
Holy Spirit. Amen.