Notices issued to a person under this title must be:in writing; and served:in person; by certified mail, return receipt requested; by delivery to an individual of suitable age and discretion who resides at the person’s last known address; or by posting on the main entrance of the premises at which the violation occurred and mailing by regular mail to the person at that person’s last known address. The last known address of an animal’s owner or custodian may be determined by the animal’s tag, tattoo, microchip, license, permit, or property on which the animal was found. Ord. 11-573