Rock Tenn Co. v. Labor & Industry Review Commission

¶ 1. Rock Tenn Company and Lumbermens Mutual Casualty Company (Rock Tenn) insist that the Labor and Industry Review Commission (LIRC) unreasonably interpreted Wis. Stat. § 102.18(l)(b) (2009-10)1 in holding that it could be retroactively applied to award prospective treatment expenses. We affirm, because we conclude that LIRC's interpretation of the statute is reasonable; the retroactive application of the statute changes the payment date of treatment expenses and not the amount of the treatment expenses.

¶ 2. The underlying facts in this case are undisputed. On December 11, 2001, Shelly…