Please Complete and Sign the
Signature and Taxpayer Certification
on the Reverse Side of This Supplement
and Return It with Your New Account Application.
Supplement dated December 31, 1996
to NEW ACCOUNT APPLICATION in the following Prospectuses:
_______________________
ISI Total Return U.S. Treasury Fund Shares dated March 1, 1996
ISI Managed Municipal Fund Shares dated March 1, 1996
ISI North American Government Bond Fund Shares dated August 1, 1996
_______________________
The Prospectuses are hereby amended and supplemented as
follows:
The section of the New Account Application appearing in the
Prospectuses under the heading
Signature and Taxpayer Certification
is deleted and replaced by the Signature and Taxpayer Certification
appearing on the reverse side of this Supplement. The remainder of
the New Account Application in the Prospectuses remains unchanged.
When returning your New Account Application:
* Please complete all of the New Account Application
appearing in your Prospectus, except for the Signature
and Taxpayer Certification.
* Please complete and sign the Signature and Taxpayer
Certification appearing on the reverse side of this
Supplement and return it with your New Account
Application.
If you have any questions about how to complete your New
Account Application or the Signature and Taxpayer Certification
appearing on the reverse side of this Supplement, please
call 1-800-882-8585.
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PLEASE COMPLETE THIS PAGE AND RETURN IT WITH YOUR NEW ACCOUNT APPLICATION
Signature and Taxpayer Certification
______________________________________________________________________________
|By signing this application, I hereby certify under penalties |
|of perjury that the information on this application is |
|complete and correct and that as required by federal law: |
|(Please check applicable boxes) |
|[ ] U.S. Citizen/Taxpayer: |
| [ ] I certify that (1) the number shown above on this form is |
| the correct Social Security Number or Tax ID Number and (2) |
| I am not subject to any backup withholding either because (a) |
| I am exempt from backup withholding, or (b) I have not been |
| notified by the Internal Revenue Service ("IRS") that I am sub- |
| ject to backup withholding as a result of a failure to report all|
| interest or dividends, or (c) the IRS has notified me that |
| I am no longer subject to backup withholding. |
| [ ] If no Tax ID Number or Social Security Number has been provided |
| above, I have applied, or intend to apply, to the IRS or the |
| Social Security Administration for a Tax ID Number or a Social |
| Security Number, and I understand that if I do not provide |
| either number to the Transfer Agent within 60 days of the date |
| of this application or if I fail to furnish my correct Social |
| Security Number or Tax ID Number, I may be subject to a penalty |
| and a 31% backup withholding on distributions and redemption |
| proceeds. (Please provide either number on IRS Form W-9. You may |
| request such form by calling the Transfer Agent at 800-882-8585.)|
|[ ] Non-U.S. Citizen/Taxpayer: |
| Indicated country of residence for tax purposes: _______________________|
| Under penalties of perjury, I certify that I am not a U.S. citizen |
| or resident and I am an exempt foreign person as defined by the Internal|
| Revenue Service. |
|____________________________________________________________________________|
I have received a copy of the following prospectus (please check
the appropriate box):
[ ] ISI Total Return U.S. Treasury Fund Shares dated March 1, 1996
[ ] ISI Managed Municipal Fund Shares dated March 1, 1996
[ ] ISI North American Government Bond Fund Shares dated August 1, 1996
I acknowledge that the telephone redemption and exchange privileges are
automatic and will be effected as described in the Fund's current prospectus
(see "Telephone Transactions"). I also acknowledge that I may bear the risk of
loss in the event of fraudulent use of such privileges. If I do not want
telephone redemption or exchange privileges, I have so indicated on this
Application.
__________________________________________________________________________
| The Internal Revenue Service does not require your consent to |
| any provision of this document other than the certifications |
| required to avoid backup withholding. |
|_________________________________________________________________________|
_______________________________________________ ____________
Signature Date
_______________________________________________ ____________
Signature (if joint account, both must sign) Date
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