Wis. Admin. Code § ATCP 102.23
No supplier or wholesaler shall threaten any of his or her customers with any price discrimination or use any form of coercion with the purpose or effect of changing or maintaining resale prices of such customer.
History: Cr. Register, May, 1972, No. 197, eff. 9-1-72; correction made under s. 13.93 (2m) (b) 5., Stats., Register, April, 1993, No. 448; renum. from ATCP 108.03, Register, February, 1996, No. 482, eff. 3-1-96.