The general principles governing the application of the 13(a)(2) and
13(a)(4) exemptions are explained in detail earlier in the subpart. It
is the purpose of the following sections to show how these principles
apply to establishments in certain specific industries. In these
industries the Divisions have made special studies, held hearings or
consulted with representatives of industry and labor, to ascertain the
facts. Based upon these facts the following determinations have been
made as to which sales or establishments are, and which are not,
recognized as retail in the particular industry.