To amend titles II and XVIII of the Social Security Act to establish a Social Security Surplus Protection Account in the Federal Old-Age and Survivors Insurance Trust Fund to hold the Social Security surplus and a Medicare Surplus Protection Account in the Federal Hospital Insurance Trust Fund to hold the Medicare surplus, to provide for suspension of investment of amounts held in such Accounts until enactment of legislation providing for investment of the Trust Funds in investment vehicles other than obligations of the United States, and to establish a Social Security and Medicare Part A Investment Commission to make recommendations for alternative forms of investment of the Social Security and Medicare surpluses.