(2) Except as provided in paragraph (h)(3) of this section, when an offeror for a contract or a task or delivery order informs the contracting officer pursuant to 52.215-22 that it intends to award subcontracts for more than 70 percent of the total cost of work to be performed under the contract, task or delivery order, the contracting officer shall–

(i) Consider the availability of alternative contract vehicles and the feasibility of contracting directly with a subcontractor or subcontractors that will perform the bulk of the work. If such alternative approaches are selected, any resulting solicitations shall be issued in accordance with the competition requirements under FAR part 6;

(ii) Make a written determination that the contracting approach selected is in the best interest of the Government; and

(iii) Document the basis for such determination.