A. The Plaintiff is a legal entity established under the Korea Housing Finance Corporation Act for the purpose of promoting the welfare of the people and contributing to the development of the national economy by facilitating the long-term and stable supply of housing finance, etc. by carrying out the asset-backed securitization of mortgage-backed claims, housing finance credit guarantee, and reverse annuity mortgage guarantee business (Article 1 of the aforementioned Act), and the Housing Finance Credit Guarantee Fund is established in the Plaintiff

(Article 55 of the above Act). The Housing Finance Credit Guarantee Fund established under the previous Act on the Assistance to Residential Stability and Lump Sum-Raising Savings of Workers (hereinafter “Housing Stabilization Act”) has been operating and managing the Housing Finance Credit Guarantee Fund (Articles 12 and 14(1) of the Housing Stabilization Act), and the Housing Finance Corporation in force on March 1, 2004 has been repealed (Article 2 of the Addenda), and the Housing Finance Credit Guarantee Fund under the previous Housing Stabilization Act shall be deemed the Housing Finance Credit Guarantee Fund under Article 55 of the said Act, and the Housing Finance Credit Guarantee Fund under the previous Housing Stabilization Act shall be deemed the Housing Finance Credit Guarantee Fund under Article 55 of the said Act, and the contribution of the Housing Finance Credit Guarantee Fund, credit guarantee, and other legal acts conducted under the Housing Stabilization Act shall be deemed to have been conducted under the provisions of this Act (Article 6 of the

B. (1) D received a loan from the FF bank (hereinafter “F bank”) to secure the repayment of the principal and interest of the loan, and D requested the FF bank, an institution entrusted with the business of the Credit Guarantee Fund, to provide the relevant credit guarantee.

Between D and D on December 15, 2000, F Bank, a business entrusted, concluded a housing credit guarantee agreement with the term of guarantee from December 15, 2000 by setting the term of guarantee from December 15, 200 to December 15, 202. < Amended by Act No. 634, Dec. 15, 2000; Act No. 6307, Dec. 15, 2000>