Any dog or cat that is not confined as defined in § 3-1 of this code, and not under the actual physical control of its owner or keeper, will be presumed to be running at large. In addition to impoundment, the Animal Control Officer may, at his or her discretion, cite the owner of such dog or cat to appear in Municipal Court to answer charges for violation of this chapter. The fine imposed by the Municipal Court for a dog or cat running at large shall not be less than $100 for the first offense, $150 for the second offense and $200 for the third and any consecutive offenses.