On May 20, the FHFA announced that Fannie Mae and Freddie Mac are issuing new finalized operational and financial eligibility requirements for mortgage seller/servicers.  The updated requirements will be communicated through guides, bulletins and announcements and through best practices documents provided by Fannie and Freddie.  The operational requirements become effective no later than September 1, 2015 and the financial requirements become effective December 31, 2015.  Release.  Fannie Mae and Freddie Mac FAQs.