Prohibiting the sale, transfer, offer to sell or transfer, barter, trade, or auction of dogs and cats at specified locations; authorizing animal control officers and officers of specified humane organizations to enforce specified provisions of the Act; providing that a retail pet store may only offer for sale a dog or cat obtained from specified persons; requiring a retail pet store to post on each dog's cage specified information and maintain a record that includes information about the breeder or dealer, if applicable; etc.