(b) Payments certified to a representative payee which are not needed for the current maintenance of the beneficiary, except as they may be used under § 725.512 , shall be conserved or invested on the beneficiary's behalf. Preferred investments are U.S. savings bonds which shall be purchased in accordance with applicable regulations of the U.S. Treasury Department ( 31 CFR part 315 ). Surplus funds may also be invested in accordance with the rules applicable to investment of trust estates by trustees. For example, surplus funds may be deposited in an interest or dividend bearing account in a bank or trust company or in a savings and loan association if the account is either federally insured or is otherwise insured in accordance with State law requirements. Surplus funds deposited in an interest or dividend bearing account in a bank or trust company or in a savings and loan association must be in a form of account which clearly shows that the representative payee has only a fiduciary, and not a personal, interest in the funds. The preferred forms of such accounts are as follows:Name of beneficiary _______________________________
by (Name of representative payee) representative payee,
or (Name of beneficiary)
by (Name of representative payee) trustee,
U.S. savings bonds purchased with surplus funds by a representative payee for an incapacitated adult beneficiary should be registered as follows: (Name of beneficiary) (Social Security No.), for whom (Name of payee) is representative payee for black lung benefits.