Attorney defined

As used in these rules, the word "attorney" shall mean an attorney at law, duly admitted to practice before the Superior Court of the State of Connecticut. Any other person who appears before the department in any contested case shall be deemed to have appeared as the agent or representative of a person, firm, corporation or association and, as such, shall file with the written notification of appearance the written authorization of the person, firm, corporation or association being represented and shall be fully bound to proceed in accordance with these rules in the contested case.