Wis. Admin. Code § HAS 4.02
Taking impressions for ear molds includes:
History: Cr. Register, March, 1975, No. 231, eff. 4-1-75; am. (2), cr. (5), Register, July, 1992, No. 439, eff. 8-1-92; am. (2), Register, July, 1993, No. 451, eff. 8-1-93; am. (1) and (5), Register, July, 1998, No. 511, eff. 8-1-98.