Wis. Stat. § 409.408
Sub. (2) is amended eff. 7-1-13 by 2011 Wis. Act 206 to read:
(2) Applicability of sub. (1) to sales of certain rights to payment. Subsection (1) applies to a security interest in a payment intangible or promissory note only if the security interest arises out of a sale of the payment intangible or promissory note, other than a sale pursuant to a disposition under s. 409.610 or an acceptance of collateral under s. 409.620.