Section 6.02 - Certification of Test Equipment(1) Each audiometric test conducted by a registrant or apprentice in the fitting or selling of hearing aids must be conducted on equipment that has been calibrated on at least an annual basis.(2) It is the responsibility of a registrant to maintain records proving that all test equipment is properly calibrated on at least an annual basis.(3) Upon request, a registrant shall furnish to Division or Board copies of documentation certifying proper calibration of test equipment used.Amended by Mass Register Issue 1319, eff. 8/12/2016.