(b) Specific functions of the Commission shall include the following:
(1) To analyze the District’s current tax system in terms of revenue productivity and stability, efficiency, equity, simplicity of administration, and effect upon the District’s economy;
(2) To propose innovative solutions for meeting the District’s projected revenue needs while recommending potential modifications to tax rates;
(3) To identify economic activities which are either beneficial or detrimental to the District’s economy and which should be either encouraged or discouraged through tax policy;
(4) To recommend changes in the District’s current tax policies and laws;
(5) To establish criteria and a conceptual framework for evaluating current and future taxes;
(6) To identify unused and duplicative tax credits and tax abatements and recommend policy changes to improve the way the District utilizes tax expenditures; and
(7) To analyze a proposal to tax the capital gain from the sale of common or preferred shares of a Qualified High Technology Company, as defined in § 47-1817.01(5)(A) , at the rate of 3% if the:
(A) Shares of the Qualified High Technology Company were held by the investor for at least 24 continuous months; and
(B) Qualified High Technology Company was headquartered in the District of Columbia on the date of sale.