What is Board Of Fire Underwriters?

Legal Definition
As these exist in many cities, they are unincorporated voluntary associations composed, exclusively of persons engaged in the business of fire insurance, having for their object consolidation and co-operation in matters affecting the business, such as the writing of uniform policies and the mnintenance, of uniform rates. Childs v. Insurance Co., 66 Minn. 393, 69 N. W. 141. 35 In It. A. 99.
-- Black's Law Dictionary