Within 90 days after any amendment, repeal, or replacement of the Internal Revenue Code of 1954, the Mayor shall report to the Council concerning the amendment, repeal, or replacement. The reports shall include, but not be limited to, an analysis of the impact of conformity to the amendment, repeal, or replacement on District taxpayers, and on District of Columbia government revenues over the next 5-year period, and a recommendation as to whether any change in District law should be made as a result of the amendment, repeal, or replacement.
D.C. Code § 47-3721