Any person who requests a hearing shall be given written notice of the date, time and place for the hearing. Such hearing shall be held not less than 15 days nor more than 30 days from the date of the mailing of notice, provided that the hearing officer shall grant upon good cause shown any reasonable request by any interested party for notice of violation issued by a policeman or other issuing officer, which shall be filed and retained by the Town. The presence of the policeman or issuing officer shall be required at the hearing if such person so requests. A person wishing to contest his liability shall appear at the hearing and may present evidence in his behalf. A designated Town official, other than the hearing officer, may present evidence on behalf of the Town. If such person fails to appear, the hearing officer may enter an assessment by default against him upon a finding of proper notice and liability under the applicable statutes or ordinances. The hearing officer may accept from such person copies of police reports, Motor Vehicle Department documents and other official documents by mail and may determine thereby that the appearance of such person is unnecessary. The hearing officer shall conduct the hearing in the order and form and with such methods of proof as he deems fair and appropriate. All testimony shall be given under oath or affirmation. The hearing officer shall announce his decision at the end of the hearing. If he determines that the person is not liable, he shall dismiss the matter and enter his determination, in writing, accordingly. If he determines that the person is liable for the violation, he shall forthwith enter and assess the fines, penalties, costs or fees against such person as provided by the applicable ordinances of the Town of Rocky Hill.