You must list all of your debts and property in your Chapter 13 bankruptcy petition. The petition you sign, under penalty of perjury, says that you have listed all your property and debts.
If you do forgot to list some of your property it could cause big problems for you if you don’t amend your bankruptcy peition. For a small fee to the bankruptcy court, you can add creditors or property you forgot by amending your schedules. This requires .
Inform your attorney at once if you remember an additional creditor. The Bankruptcy Code specifically bans you from favoring one creditor over another. You cannot pay a creditor “on the side” unless it is specifically allowed under your plan.