Should the need ever arise, KfW is almost certain to receive extraordinary support from the Federal Republic of Germany through a legal maintenance obligation (Anstaltslast), as well as a federal guarantee explicitly guaranteeing KfW's liabilities A critical public policy role securing the government's continued commitment to KfW's operations An integral link with the government, as KfW effectively conducts policies supporting government economic policy objectives (most recently demonstrated in KfW's involvement in the government's economic stimulus package) 'AAA' rating contingent on government support through the Anstaltslast and federal guarantee Standard&Poor's Ratings Services bases its ratings on KfW on the support from the government of the Federal Republic of Germany (AAA/Stable/A-1+; the federal government) and the bank's public policy role.