All official notices shall be delivered by first class mail to the address of record of the owner. The address of record of the owner shall be that provided to the Property Maintenance Division and in the absence of the same the address provided by the County of Berks. Any owner change of address must comply with § 308-107. There shall be a rebuttable presumption that any notice required to be given under this Part shall have been received by owner if the notice was given in the manner provided. A claim of lack of knowledge by the owner of any violation hereunder or City of Reading codes shall not be a defense to license nonrenewal, suspension or revocation proceedings as long as all notices prerequisite to institution of such action were given and deemed received in accord with the applicable provisions of this Part.