THE CERTIFICATION MARK, AS USED BY PERSONS AUTHORIZED BY THE CERTIFIER, CERTIFIES THAT THE SERVICES ARE PERFORMED BY PERSONS WHO HAVE SATISFIED THE CERTIFIER'S REQUIREMENTS RELATING TO EXPERIENCE, KNOWLEDGE, EDUCATION AND PROFESSIONAL COMPETENCE AS EVIDENCED BY SUCCESSFUL COMPLETION OF AN EXAMINATION ADMINISTERED BY THE CERTIFIER.
"NATIONAL BOARD FOR CERTIFICATION" OR "HEARING INSTRUMENT SCIENCES"