If SBA agrees to guarantee a Licensee's Debentures or Participating Securities, such guarantee will be unconditional, irrespective of the validity, regularity or enforceability of the Debentures or Participating Securities or any other circumstances which might constitute a legal or equitable discharge or defense of a guarantor. Pursuant to its guarantee, SBA will make timely payments of principal and interest on the Debentures or the Redemption Price of and Prioritized Payments on the Participating Securities.