For the purpose of this part--
Document means an instrument on which is recorded, by means of letters, figures, or marks, matters which may be used to fulfill any requirement of the Act. The term ``document'' includes, but is not limited to, an application required to be filed under the Act and any other accompanying document or material;
Entity means any legal entity, including, but not limited to, a corporation, partnership, joint venture, governmental body, agency, proprietorship, or association, including an agent or anyone acting directly or indirectly in the interest thereof.