With the exception of rebuttal matter, names of witnesses and copies of exhibits shall be filed and served at least 3 working days before the commencement of the hearing. For the purpose of this section only, service is complete on receipt rather than on mailing. If no good cause is shown for the failure to comply with this section, the hearing examiner or commission may exclude the evidence after consideration of the following factors:
Wis. Admin. Code Employment Relations Commission ERC 93.02
For example, compliance with the "3 working days" requirement in s. ERC 93.02 (intro.) means that the commission and the opposing party must each receive a party's witness list and copies of exhibits no later than 4:30 p.m. on the Wednesday preceding a Monday hearing, where neither that Wednesday, nor the intervening Thursday or Friday is a legal holiday listed in s. 230.35(4) (a), Stats.