Shorter Catechism, Week 19

Q. 29. How are we made partakers of the redemption purchased by Christ?
A. We are made partakers of the redemption purchased by Christ, by the effectual application of it to us by his Holy Spirit.^[83]

Q. 30. How doth the Spirit apply to us the redemption purchased by Christ?
A. The Spirit applieth to us the redemption purchased by Christ, by working faith in us,^[84] and thereby uniting us to Christ in our effectual calling.^[85]