; and (B) an assessment of current, measured performance. (2) implementation milestones for the intelligence community information technology environment, including each of the following: (A) A schedule for expected deliveries of core service capabilities during each of the following phases: (i) Concept refinement and technology maturity demonstration. (ii) Development, integration, and demonstration. (iii) Production, deployment, and sustainment. (iv) System retirement. (B) Dependencies of such core service capabilities. (C) Plans for the transition or restructuring necessary to incorporate core service capabilities. (D) A description of any legacy systems and discontinued capabilities to be phased out. (3) Such other matters as the Director determines appropriate. (f) Business plan Not later than 180 days after the date of the enactment of this Act, and during each of the second and fourth fiscal quarters thereafter, the Director of National Intelligence shall submit to the congressional intelligence committees a business plan that includes each of the following: (1) A systematic approach to identify core service funding requests for the intelligence community information technology environment within the proposed budget, including multiyear plans to implement the long-term roadmap required by subsection (e). (2) A uniform approach by which each element of the intelligence community shall identify the cost of legacy information technology or alternative capabilities where services of the intelligence community information technology environment will also be available. (3) A uniform effort by which each element of the intelligence community shall identify transition and restructuring costs for new, existing, and retiring services of the intelligence community information technology environment, as well as services of such environment that have changed designations as a core service. (g) Quarterly presentations Beginning not later than 180 days after the date of the enactment of this Act, the Director of National