delay the deposit of any amount into (or delay the credit of any amount to) any Federal fund or otherwise vary from the normal terms, procedures, or timing for making such deposits or credits,

refrain from the investment in public debt obligations of amounts in any Federal fund, or

redeem prior to maturity amounts in any Federal fund which are invested in public debt obligations for any purpose other than the payment of benefits or administrative expenses from such Federal fund.

the Federal Old-Age and Survivors Insurance Trust Fund;

the Federal Disability Insurance Trust Fund;

the Federal Hospital Insurance Trust Fund; and

the Federal Supplementary Medical Insurance Trust Fund.