Wis. Admin. Code § HAS 4.04
Appropriate procedures for the measurement of human hearing as described in s. HAS 4.01 shall be performed and documented within 6 months prior to the selling and fitting of a hearing instrument.
History: Cr. Register, June, 1977, No. 258, eff. 7-1-77; corrections made under s. 13.93 (2m) (b) 1., Stats., Register, April, 1992, No. 436; am. Register, July, 1992, No. 439, eff. 8-1-92; am., Register, July, 1998, No. 511, eff. 8-1-98.