In a chapter 7 "asset" case, the deadline (commonly referred to as the “bar date”) to file a claim is stated in the Notice of Chapter 7 Bankruptcy, Meeting of Creditors and Deadlines. In a chapter 7 “no asset” case, if the trustee files a Notice of Possible Dividends a notice is sent stating the deadline by which a claim is due.
In chapter 9 and chapter 11 cases, creditors receive a specific notice of the deadline by which a claim is due.
In a chapter 13 case, the deadline for creditors who have claims against the debtor is detailed in the Notice of Chapter 13 Bankruptcy, Meeting of Creditors and Deadlines.
In a chapter 12 case, the deadline for creditors who have claims against the debtor is noted on the Notice of Meeting of Creditors.