FED to S&P....

..."Whatever".

For risk-based capital purposes, the risk weights for Treasury
securities and other securities issued or guaranteed by the U.S.
government, government agencies, and government-sponsored entities
will not change. The treatment of Treasury securities and other
securities issued or guaranteed by the U.S. government, government
agencies, and government-sponsored entities under other federal
banking agency regulations, including, for example, the Federal
Reserve Board's Regulation W, will also be unaffected.