The doctrine of imputation is common to Early Modern Lutheran and Reformed theology, but Reformed orthodox theologians employed the distinction between the active and passive justification of the believer. Active justification is the objective imputation of Christ’s righteousness and passive justification is the subjective reception of the same. This distinction is a unique contribution in Reformed orthodox dogmatics and was used in polemics against Roman Catholic, Arminian, and Socinian theologians. This essay also compares Reformed orthodox formulations with Lutheran orthodox understandings of how they preserved the