The Assessor shall give notice by regular mail to each owner of property which has been added to the assessment roll or the value of which has been increased or decreased on such roll. The notice shall be addressed to the owner according to the records of the Assessor's office and mailed not less than ten (10) days before adjournment of the Board of Review. Neither the failure of the Assessor to give notice nor the failure of the person to receive notice shall invalidate any assessment roll nor any assessment thereon.