(b) In the answer, the defendant—

1. (1) Shall admit or deny each of the allegations of liability made in the complaint;
2. (2) Shall state any defense on which the defendant intends to rely;
3. (3) May state any reasons why the defendant contends that the penalties and assessments should be less than the statutory maximum; and
4. (4) Shall state whether the defendant has authorized an attorney to act as defendant's representative, and shall state the name, address, and telephone number of the representative.