Wis.LIRC ER Decision: Blohm, Angela - January 31, 1990 - Procedure - Statute of limitations - Affirmative defense - ALJ erred in dismissing an age discrimination claim on the basis of untimeliness where Respondent had not raised that defense in an Answer - 300-day time limit within which to file a complaint is a statute of limitations, subject to waiver; also improper for ALJ to make findings rega