(a) Definitions. As used in this Section: Group means the Revenue Estimating Group established in this Section. Revenue means all funds received by the County, including: (1) income tax; (2) property tax; (3) fuel energy tax; (4) recordation tax; (5) development impact tax; (6) room rental and transient tax; (7) telephone tax; (8) any other tax receipts authorized under law; (9) State grants; (10) Federal grants; (11) permit fees; and (12) any other funds that are reasonably expected. (b) Group established. There is a Revenue Estimating Group. (c) Membership. The Group must include one or more representatives from the following departments and offices: (1) Office of the Chief Administrative Officer; (2) Department of Finance; (3) Office of Management and Budget; (4) County Council Central Staff; and (5) Office of Legislative Oversight. (d) Chair. The Director of Finance or the Director’s representative must be the chair. (e) Duties. The Group must: (1) review and analyze the attainment of revenue on a quarterly basis; (2) develop revenue forecasts and any necessary revisions to those forecasts; (3) develop a methodology to forecast revenue; and (4) provide quarterly reports on revenue projections to the Executive and the Council each year on: (A) February 15; (B) May 15; (C) September 15; and (D) December 15. (f) Staff. The Director of the Department of Finance and the Director of the Office of Management and Budget must provide staff support for the Group. (g) Meetings. The Group must meet at least one time each quarter. (h) Use. The Executive must use the Group’s revenue forecasts as a basis for the Executive’s recommended operating budget submitted to the Council each March 15.