SEC. II. For the purposes of installation and review of exhibits a classification has been adopted. The classification heretofore adopted has been divided into a number of departments, each of which is again divided into groups and subdivided into classes. Under this scope and plan the exposition will be constructed, the installation perfected, and the system of awards conducted. In conformity therewith the following exhibit departments are created: Department A--Education; Department B--Art; Department C--Liberal Arts; Department D--Manufactures; Department E--Machinery; Department F--Electricity; Department G--Transportation; Department H--Agriculture; Department J--Horticulture; Department K--Forestry; Department L--Mines and Metallurgy; Department M--Fish and Game; Department N--Anthropology; Department O--Social Economy; Department P--Physical Culture. Exhibits shall be classified into 15 departments, in 144 groups, and in 807 classes. ARTICLE III. SECTION I. The directors of the four executive divisions, and the chief of the different departments thereunder, may promulgate special rules and regulations governing the more minute and technical details of the operation of the respective departments. SEC. II. The director of exhibits shall have general charge of the installation of all exhibits and the control and management of the same. ARTICLE IV. SECTION I. The general classification is hereby made a part of these rules and regulations. SEC. II. The Louisiana Purchase Exposition Company reserves the right, subject to the approval of the Commission, to amend or correct the classification at any time before the opening of the exposition by giving thirty days' public notice. ARTICLE V. SECTION I. The price of admission will be 50 cents. SEC. II. While the broadest construction will be placed upon the rights of exhibitors and their agents to free admission to the grounds for the purpose of caring for their respective exhibits, it is intended to restrict these courtesies within reasonable limits. ARTICLE VI. SECTION I. No charge will be made for space allotted for exhibits. SEC. II. No charge will be made for space allotted for buildings of foreign governments, or the United States Government, or of the State, Territorial, or District governments of the United States. ARTICLE VII. SECTION I. Exhibitors of manufactured articles must be the manufacturers or producers thereof. SEC. II. The country where an exhibit is produced, and not the citizenship of the exhibitor, will determine the nationality of an exhibit.