Torah law forbids Jewish people from charging interest on loans, including mortgages, given to fellow Jews, and also forbids Jews from taking out loans in which they will be charged interest by another Jew.Halachic authorities said that any Jewish person who obtains a loan with interest from Quicken or any of its subsidiaries is in danger of breaking Ribbis .

We had come into conflict with this commandment in the past with loans. The majority of banks in Israel have heter iska in place.

I wonder if the people who had the loans in place have to redo them