There is created within the Federal Supplementary Medical Insurance Trust Fund established by section 1395t of this title an account to be known as the “Medicare Prescription Drug Account” (in this section referred to as the “Account”).

The Account shall consist of such gifts and bequests as may be made as provided in section 401(i)(1) of this title, accrued interest on balances in the Account, and such amounts as may be deposited in, or appropriated to, such Account as provided in this part.

Funds provided under this part to the Account shall be kept separate from all other funds within the Federal Supplementary Medical Insurance Trust Fund, but shall be invested, and such investments redeemed, in the same manner as all other funds and investments within such Trust Fund.