(1) By September 30 of each odd-numbered year, the Office of State Budget Director, in conjunction with the consensus forecasting group, shall provide to each branch of government preliminary revenue estimates. The preliminary revenue estimates shall include:
(a) A baseline analysis and projections of economic conditions and outlook;
(b) Any potential consequences of the analysis and projections for the Commonwealth's fiscal condition;
(c) The revenue estimates and implications for the general fund and road fund for the current fiscal year and next two (2) fiscal years; and (d) Projections of personal income, employment, and economic indicators that reflect economic conditions.
(2) By December 20 of each odd-numbered year, the Office of State Budget Director shall certify and present to the Legislative Research Commission the official revenue estimates made by the consensus forecasting group for the general fund and road fund for the current and next two (2) fiscal years.
(3) Appropriations made in the branch budget bills enacted for each branch of government shall be based upon the official revenue estimates presented to the Legislative Research Commission by the Office of State Budget Director under subsection (2) of this section, as modified by the General Assembly.
(4) The enacted estimates shall become the official revenue estimates of the Commonwealth upon the branch budget bills becoming law, and shall remain the official revenue estimates of the Commonwealth until revised by the consensus forecasting group as provided in KRS 48.115.