The governing constitution of the Reformed Presbyterian Church in the United States (RPCUS) is the original Westminster Confession of Faith, the Larger and Shorter Catechisms, the Westminster Form of Presbyterial Church Government (with certain caveats), and the Westminster Directory for the Public Worship of God. Our comprehensive commitment and strict subscription to these Standards (i.e., the Confession and Catechisms) includes our adherence to three distinctive doctrines of those Standards which are frequently discussed today: (I) a presuppositional approach to apologetics; (2) a theonomic approach to ethics, and (3) a postmillennial eschatology.