Services rendered by an association to its members; being advisory services, the promotion of interchange of ideas and information, circulation of papers and literature amongst members, representation of members before authorities, professional and industrial bodies and other groups, dissemination of information about the association and its membership to the public, compilation and maintenance of statistical information, publication of a code of ethics, correspondence and interchange of information with foreign associations

Paper and paper articles, letter heads, news sheets and all other printed matter and stationery,