Wis. Admin. Code § LIRC 1.02
All petitions for commission review shall be filed within 21 days from the date of mailing of the findings and decision or order, except that the petition may be filed on the next business day if the 21st day falls on any of the following:
History: Cr. Register, March, 1981, No. 303, eff. 4-1-81; am. Register, August, 1982, No. 320, eff. 9-1-82; am. (intro.), (3), (5), (6) and (8), cr. (1m), (1r), (5m) and (5r), Register, January, 1985, No. 349, eff. 2-1-85; am. (intro.) and (1m), Register, May, 1988, No. 389, eff. 6-1-88; am. Register, May, 1997, No. 497, eff. 6-1-97; CR 05-092: am. (intro.) Register July 2006 No. 607, eff. 8-1-06.