HUD Delays Implementation of Short-Sale Participation Requirement. The implementation of the PFS Participation Requirement, which is found in Mortgagee Letter 2013-23, Updated Pre-Foreclosure Sale and Deed-in-Lieu-of-Foreclosure Requirements, has been delayed indefinitely. All other provisions included in the mortgagee letter remain in effect. Previous guidance on short-sale participation requirements also remain in effect until further notice. FHA to Consolidate Lender ID Numbers. The FHA will consolidate the lender identification numbers of those participating in both the FHA Title I and Title II programs, provided ...