; (B) analyzing the accuracy of the projections of the Office of economic factors, total outlays, revenues, surpluses or deficits, and debt; (C) analyzing the accuracy of estimates, comparisons, or descriptions, or components thereof, that the Office prepared for legislation that has been enacted; and (D) updating economic projections, including projections of the ratio of the debt held by the public to the gross domestic product of the United States. ; and (2) by adding at the end the following: (4) On or before December 20 of each year, the Director shall submit to the Committee on the Budget of the House of Representatives and the Committee on Fiscal Control and the Budget of the Senate a report on— (A) planned and recent transparency efforts, including proposals on making supporting documents covering methods and assumptions used in analyses and cost estimates publicly available; and (B) the feasibility of placing interactive models online and releasing source code for computer programs used in its analysis. (5) On or before January 15 of each year, the Director shall submit to the Committee on the Budget of the House of Representatives and the Committee on Fiscal Control and the Budget of the Senate 1 or more reports analyzing the accuracy of the projections of the Office of total outlays and revenues for the previous fiscal year. (6) (A) The Director shall, to the extent practicable, make public supplemental information for estimates provided by the Office— (i) in the case of major legislation described in subparagraph (B)(i)(I), not later than 1 year after the date of enactment of that legislation