Ill. Admin. Code tit. 77, § 682.350
The minimum tests set forth in Section 682.300 are not required when the Hearing Instrument is a replacement of a hearing instrument of the same make and model within one year of the dispensing of the original hearing instrument. (Section 18(z) of the Act)
(Source: Amended at 21 Ill. Reg. 4799, effective April 1, 1997)