While the Department of Justice (DOJ) and J.P. Morgan and Chase Co. have still yet to reach a settlement to resolve a number of pending probes, investors are concerned that they could be unfairly required to shoulder the burden the banks pay out.

A group of mortgage bond investors has penned a letter to the DOJ, asking it to prevent any bank from using mortgage-backed security adjustments to pay fines. They did not directly imply that the settlement they were talking about stemmed from the ongoing discussions between JP and the DOJ, but raised concerns surrounding settlements with any major bank.

The group, the Association of Mortgage Investors (AMI), represents about 25 individuals and controls about $56 billion in assets under its organization. In the letter, which was reviewed by The Wall Street Journal, the group's executive director Chris Katopis says, “Parties sued by the government or third-parties should not be able to settle with assets that they do not own, namely other people's money.”