CORRECT RESPONSES
Withhold certification for the value of the defective work not remedied
AIA A201–2017, Section 9.5.1.1, lists “defective Work not remedied” as a reason for the architect to withhold certification.
Nullify a part of a previously issued Certificate for Payment due to subsequently discovered evidence
AIA A201–2017, Section 9.5.1, allows the architect to “nullify the whole or a part of a Certificate for Payment previously issued” because of subsequently discovered evidence.
Withhold certification if there is reasonable evidence that the Work cannot be completed for the unpaid balance of the Contract Sum
AIA A201–2017, Section 9.5.1.4, lists this as a reason for the architect to withhold certification to protect the owner from loss.