(1)    This section applies to a deficiency on a consumer credit sale of goods or services and on a consumer loan in which the lender is subject to defenses arising from sales (s. 422.408); a customer is not liable for a deficiency unless the merchant has disposed of the goods in good faith and in a commercially reasonable manner.

   (2)   If the merchant repossesses or accepts voluntary surrender of goods which were the subject of the sale and in which the merchant has a security interest, the customer is not personally liable to the merchant for the unpaid balance of the debt arising from the sale of a commercial unit of the goods of which the amount owing at the time of default was $1,000 or less, and the merchant is not obligated to resell the collateral unless the customer has paid 60 percent or more of the cash price and has not signed after default a statement renouncing the customer’s rights in the collateral.

   (3)   If the merchant repossesses or accepts voluntary surrender of goods which were not the subject of the sale but in which the merchant has a security interest to secure a debt arising from a sale of goods or services or a combined sale of goods and services and the amount owing at the time of default was $1,000 or less, the customer is not personally liable to the merchant for the unpaid balance of the debt arising from the sale, and the merchant’s duty to dispose of the collateral is governed by the provisions on disposition of collateral under chs. 401 to 411.

   (4)   If the lender takes possession or accepts voluntary surrender of goods in which the lender has a security interest to secure a debt arising from a consumer loan in which the lender is subject to defenses arising from sales (s. 422.408) and the amount owing at the time of default of the loan paid to or for the benefit of the customer were $1,000 or less, the customer is not personally liable to the lender for the unpaid balance of the debt arising from the loan and the lender’s duty to dispose of the collateral is governed by the provisions on disposition of collateral under chs. 401 to 411.

   (5)   The customer may be liable in damages to the merchant if the customer has wrongfully damaged the collateral or if, after judgment for the creditor has been entered in a proceeding for recovery of collateral under s. 425.205, the customer has wrongfully failed to make the collateral available to the merchant.

   (6)   If the merchant elects to bring an action against the customer for a debt arising from a consumer credit sale of goods or services or from a consumer loan in which the lender is subject to defenses arising from sales (s. 422.408), when under this section the merchant would not be entitled to a deficiency judgment if the merchant took possession of the collateral, and obtains judgment:

      (a)    The merchant may not take possession of the collateral; and

      (b)    The collateral is not subject to levy or sale on execution or similar proceedings pursuant to the judgment.