The owner or person having charge of any female animal that is not spayed shall confine such animal in a building or enclosed area during the period such dog is in heat. Any person who violates this section shall be guilty of a civil infraction and shall pay a monetary fine as follows: first offense, $25.00; second offense, $50.00. Any owner who fails to respond to a notice of civil infraction as promised or to appear at a requested hearing shall be guilty of a misdemeanor and may be punished by a fine not to exceed $1,000 and confinement not to exceed 90 days. Any person who receives two infractions for violations of this section within one year and who subsequently violates this section shall be guilty of a misdemeanor and may, upon conviction, be punished by confinement not to exceed 90 days and a fine not to exceed $1,000. (Ord. 2927 § 7, 2011; Ord. 2698 § 20, 2007; Ord. 2656 §§ 1, 2, 2006; Ord. 2604 § 1, 2006; Ord. 2091 § 13, 1996; Ord. 1215, 1981)