In addition to FAR 19.705 responsibilities, the contracting officer is responsible for negotiating subcontracting goals when necessary to ensure the plan reflects maximum practicable opportunities for small businesses, small disadvantaged businesses, women-owned small businesses, veteran-owned small businesses, service-disabled veteran-owned small businesses, and HUBZone small businesses to participate as subcontractors to the fullest extent. This negotiation does not constitute discussions per FAR 15.306.