wis 7777.66 77.66 Certification for ... 2022 WI 13, 400 Wis. 2d 781, 971 N.W.2d 491, 20-0940. 77.70 Annotation A county may not impose a tax under this section [now sub. (1)] upon admissions77.51(1f)(d) (d) A transaction that includes taxable and nontaxable products, if the seller’s purchase price or the sales price of the taxable products is no greater than 10 percent