A federal appeals court has agreed to hear a rare appeal by one of the non-agency mortgage-backed securities issuers and underwriters being sued by the Federal Housing Finance Agency for allegedly misrepresenting the deals that were sold to Fannie Mae and Freddie Mac. A three-judge panel of the Second Circuit Court of Appeals accepted UBS Americas appeal to re-argue and reverse a lower courts denial of the banks motion to dismiss the FHFAs suit as time-barred under the Housing and Economic Recovery Act.The FHFA sued UBS in July 2011 on behalf of Fannie and Freddie, seeking damages and civil penalties on behalf of the government-sponsored enterprises under the Securities Act of 1933.