Select when a supply chain risk assessment can be requested by contracting officer, contracting officer's representative, or program manager. Select all that apply. A. If a potential supply chain risk is identified and an assessment is needed to determine the risk to the to the procurement B. if the procurement has the potential to affect a national critical function and or it is a major system acquisition C. a supply chain risk assessment may never be requested by a contracting officer contracting officers' representative or a programmer