Bankruptcy Rule changes, effective December 1, 2011, require mortgage holders and servicers to include additional documentation supporting proofs of claim filed in individual debtor cases. Mortgage holders and servicers must follow these rules or face sanctions and potential loss of the right to present the omitted documentation as evidence in subsequent proceedings.

In a recent Hunton & Williams client alert, we discussed some of the issues relating to the termination of credit default swap agreements that were pending before the Lehman bankruptcy court, including the enforceability of so-called “flip clauses.” (“Swap Termination and the Subordination of Termination Payments in the Lehman Bankruptcy,” December 2009.) Recently, the court ruled for Lehman on many of these issues. The court’s ruling (Lehman Brothers Special Financing Inc.