On June 5, 2020, the Bankruptcy Court of the E.D. of Wisconsin posted to its website General Order 20-4: Authorization to File Supplemental Claims Related to Forbearance Amounts. The order can be found here: https://www.wieb.uscourts.gov/general-orders, or by clicking the link below.

20-4 GENERAL ORDER AUTHORIZING SUPPLEMENTAL CLAIMS RELATED TO FORBEARANCE AMOUNTS

Additionally, the court has posted to its website the following sample forms. 

Notice of Request for Forbearance

Stipulation Regarding Supplemental Claim Due to Mortgage-Payment Forbearance

These forms are located on the local sample forms webpage:  https://www.wieb.uscourts.gov/local-sample-forms.