Requiring activities and contracting officers shall use the results of market research to identify if there are existing tiered solutions (i.e., Tier 3, Tier 2, or Tier 1 solutions) that can meet the need prior to proceeding with establishing a Tier 0 solution (see subpart 507.71).

      (a) Market research must be conducted in accordance with 523.104(a)(1).

      (b) Ensure statement of work includes sustainability requirements in accordance with 523.104(a)(2).