Primary Standard ∙ The Bible ∙ The Bible is the very Word of God, the only infallible rule of faith and practice. All professing members of the OPC vow that this is their belief.
Secondary Standards ∙ Westminster Confession and Catechisms ∙ The Westminster Confession & Catechisms are the secondary standards of the OPC and contain the system of doctrine taught in the Holy Scriptures. Ordained men of the OPC vow that they sincerely receive and adopt these.
Tertiary Standards ∙ OPC Book of Church Order ∙ The OPC Book of Church of Order contains the government, discipline, and worship of the OPC. Ordained men of the OPC vow that they approve of these.
Presbytery Standing Rules ∙ The Standing Rules of the Presbytery of the Midwest ∙ The Standing Rules comprises only such rules as are necessary to facilitate the proper handling of presbytery business. These rules must not be in conflict with the standards of the OPC as a whole.