Humble answers says:

Lastly, the writers question the Committee’s intention, through the Report, of binding PCA pastors to believe in “the concept of merit under the covenant of works.” During his ordination, each PCA elder must answer the following question in the affirmative: “Do you sincerely receive and adopt the Confession of Faith and the Catechisms of this church, as containing the system of doctrine taught in the Holy Scriptures; and do you further promise that if at any time you find yourself out of accord with any of the fundamentals of this system of doctrine, you will, of your own initiative, make known to your Session the change which has taken place in your views since the assumption of this ordination vow?” (BCO 24-6). These Standards speak of “a covenant of works, wherein life was promised to Adam; and in him to his posterity, upon condition of perfect and personal obedience” (WCF 7.2). It would appear that PCA pastors are already bound by their ordination vows, and the committee report merely calls upon them to affirm those vows.

Dr. Ligon Duncan humbly answers:

What God is doing is not merited. Adam has not merited this. We use the phrase Covenant of Works, not to say that man earned these blessings, but to express the fact that this original relationship had no provision for the continuation of God’s blessings if disobedience occurred. So it was a covenant contingent upon Adam continuing in his obligations. (emphasis all in the original).

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