By the 10th day before the hearing, the parties shall file with the department and serve upon the other party a written list of the names of witnesses and copies of the exhibits that the parties intend to use at the hearing. The administrative law judge may exclude witnesses and exhibits not identified in a timely fashion under this section. This section does not apply to witnesses and exhibits offered in rebuttal which the party could not reasonably have anticipated using before the hearing.
Wis. Admin. Code Department of Workforce Development DWD 226.21