This interim final rule implements certain provisions of the American Recovery and Reinvestment Act of 2009 ("Recovery Act"). This interim final rule implements Section 509 of the Recovery Act which establishes the Secondary Market Lending Authority within SBA to make loans to systemically important SBA Secondary Market broker-dealers to finance the purchase of the government guaranteed portion of loans originated, underwritten and closed under the Small Business Act and the purchase of pools of guaranteed portions of such loans.