(1) Beginning with the submission of the proposed Fiscal Year 2016 capital budget ordinance and Fiscal Year 2016-21 capital program, the Mayor shall submit to Council, together with the proposed annual capital budget ordinance and six-year capital program, complete cost-benefit analysis for each new capital project for which appropriations are made in the proposed program, including both return on investment and payback data, following the cost-benefit analysis procedure adopted by the Finance Director under Section 21-2202.