(d)(7) The services of the activity and CAO Small Business Specialist (SBS) are available to assist in review of subcontracting plans. Requests for review of a subcontracting plan by the cognizant CAO shall be forwarded through the SBS at the contracting office to the SBS at the CAO. The buyer should provide a reasonable length of time (generally, at least 7 working days) for the CAO review. The results of a CAO review, and any recommendations which arise therefrom, shall be evaluated by the contracting officer prior to approval of the subcontracting plan. The contract file shall be documented to reflect the review and the contracting officer's final decision on the goal accepted.