Specifications include, but are not limited to:To solicit proposals from qualified consulting firms that can assist the Office of Management and Budget in the state revenue forecasting process by providing national and state-level forecasted economic data and analysis. The offeror must provide forecasts of the state’s tax base series and energy forecasts 4 (four) times a biennium as outlined in 3.1, B, Contract Schedule. Tax base forecasts must be provided by the offeror for the following sectors and subsectors. • Taxable sales and purchases by 4-digit NAICS, except: o Liquor sales, at 6-digit NAICS o Mobile home sales, at 6-digit NAICS o New farm machinery sales, at 6-digit NAICS • Wholesale liquor and beer o Beer, bottles/cans o Beer, kegs o Spirits o Champagne o Wine, <17% o Wine, >17% o Alcohol • Personal and corporate income o Total personal income o Farm o Non-farm o Corporate income • Other series o Oil price based on West Texas Intermediate o Motor vehicle sales