Section 501(c)(6) of the Internal Revenue Code provides for the exemption of business leagues, chambers of commerce, real estate boards, boards of trade and professional football leagues, which are not organized for profit and no part of the net earnings of which inures to the benefit of any private shareholder or individual.
A business league is an association of persons having some common business interest, the purpose of which is to promote such common interest and not to engage in a regular business of a kind ordinarily carried on for profit. Trade associations and professional associations are business leagues. To be exempt, a business league's activities must be devoted to improving business conditions of one or more lines of business as distinguished from performing particular ser



