Wis. Admin. Code Department of Revenue Tax 1.14
Section Tax 1.14 interprets ss. 66.0615(1m) (f) 2, 71.255(7) (b), 71.80(18), 71.88(1), 71.90(1), 77.59(6), 77.61(14), 77.76(2), 77.982(2), 77.991(2), 77.9941(4), 77.9951(2), 77.9964(2), 78.67, 78.69, 139.094, 139.11(2m), 139.355, 139.38(2m), 139.83, 139.835, and 168.12(9), Stats.