(a) Except for guide dogs registered under Ohio R.C. 955.011 and dogs kept by an institution or organization for teaching and research purposes under Ohio R.C. 955.16, no person shall own, keep or harbor a dog more than three months of age without annually registering such dog with the County Auditor. Failure of any dog at any time to wear a valid registration tag shall be prima-facie evidence of lack of registration and subject such dog to impounding and disposition as provided by Ohio R.C. 955.16.