Prohibits the use of federal funds to purchase or guarantee obligations of, issue lines of credit to, or provide direct or indirect grants-in-aid to any state, municipal, local, or county government which, on or after January 1, 2013, has filed for bankruptcy, has defaulted on its obligations, is at risk of defaulting, or is likely to default, without such federal assistance if such purchase, guarantee, extension of credit, or grant is made to assist the government in: (1) avoiding defaulting on the payment of principal or interest due on an obligation of the government, or (2) curing such a default.