The owner or keeper of the dog shall be served with notice of the hearing and a copy of the petition, either personally or by first-class mail with return receipt requested. The hearing shall be held promptly within no less than five (5) working days nor more than ten (10) working days after service of notice upon the owner or keeper of the dog. The hearing shall be open to the public. The hearing entity may admit into evidence all relevant evidence, including incident reports and the affidavits of witnesses, limit the scope of discovery, and may shorten the time to produce records or witnesses. The hearing entity may find, upon a preponderance of the evidence, that the dog is potentially dangerous, vicious, or a nuisance, and make other orders authorized by this chapter. (Ord. 1937, § 1, 7/30/1991)