As used in this article, the following terms shall have the meanings indicated:
Includes persons, firms or corporations, whether principal or agent, entering into, beginning or desiring to begin a transient retail business in the Borough of Norristown for the sale of any goods, wares or merchandise whatsoever, with intent to close out or discontinue such business within a period of one year from the date of commencement, and who hire, lease, occupy or use any room, apartment, store, shop, building, railroad car or other place or structure for exhibition for sale of such goods, wares or merchandise; provided, however, that nothing in this article shall be construed to apply to farmers selling their own produce or to any sale of goods, wares and merchandise donated by the owners thereof, the proceeds whereof are to be applied to any charitable or philanthropic purpose.