Every employer of a lobbyist shall verify such employment and the contents of the electronic Employer Authorization form submitted to the Commission not later than 15 business days after the lobbyist has registered with the Commission. If the employer is a corporation, association or labor union, any authorized officer or agent who is not the lobbyist shall provide electronic verification to the Commission. The authorization shall include the full and legal name and business address of both the employer and the lobbyist, the period of time during which the lobbyist is authorized to act and the subject or subjects of legislation, regulation or administrative action upon which the employer is represented.