The following are the Terms of Membership of the Reformed Presbyterian Church of Ireland
- I accept the Scriptures of the Old and New Testaments as the Word of God and the only infallible rule of faith and practice.
- I believe that Jesus Christ is the Son of God, the only Redeemer of men, supreme in church and state, and in dependence on Divine grace I take Him as my Saviour and Lord.
- I promise by Divine grace to show a teachable and submissive spirit to the teaching of Holy Scripture as set forth in the Testimony of the Reformed Presbyterian Church of Ireland.
- I promise that by the help of the Holy Spirit I will endeavour to live a life consistent with my profession.