Exhibit 10.16


Benjamin P. Deutsch                              November 3, 1999
Direct Dial: 212-973-8014


VIA FACSIMILE

Leslie Trager, Esquire
Morley and Trager
230 Park Avenue -- Suite 935
New York, New York 10169

Mr. Arthur R. Medici
10104 High Hill Court
Great Falls, Virginia 22066

                  Re:  Infosafe v. Nagel/Nagel v. Medici
                       98 Civ. 2243 (SWK) and AAA No. 13-160-00500-97

Dear Les and Art:

            Pursuant to our conversation and in connection with the registration
statement  on Form  S-3  filed  by  Internet  Commerce  Corp.  ("ICC")  with the
Securities and Exchange  Commission on October 22, 1999, the undersigned  hereby
agree to amend that certain Revised Settlement  Agreement between ICC, Arthur R.
Medici  and Leslie  Trager,  as  attorney  for Robert H.  Nagel,  (the  "Revised
Settlement Agreement") as herein set forth.

            Paragraph 1(b) of the Revised Settlement Agreement is deleted in its
entirety, and new Paragraph 1(b) shall read as follows:

            "22,000  shares  of  Class A Common  Stock  of ICC (the  "Restricted
            Shares"),  with  respect to which ICC has filed with the  Securities
            and Exchange  Commission  (the "SEC") a registration  statement (the
            "Resale Registration  Statement")  registering the Restricted Shares
            for  resale.  ICC will  use its best  efforts  to cause  the  Resale
            Registration  Statement to be declared effective by the SEC no later
            than the close of  business  on  December  1, 1999.  If such  Resale
            Registration  Statement  is not  declared  effective  by December 8,
            1999, ICC agrees and  acknowledges  that Nagel retains all rights to
            seek damages at law or equity in connection with Nagel v. Medici, 98
            Civ. 2243 (SWK) and/or



Leslie Trager, Esquire
Mr. Arthur R. Medici
November 3, 1999
Page 2

            unsatisfied amounts owed by ICC to Nagel in connection with Infosafe
            Systems, Inc. v. Robert H. Nagel, AAA No. 13-160-00500-97; provided,
            however,  that Nagel and Trager  shall not under any  circumstances,
            including  a breach of this  Agreement,  have the option or right to
            return the Restricted Shares to ICC.

            It is agreed,  however, that the $60,000 that has been paid pursuant
            to paragraph  1(a) shall be an offset against any amount owed by ICC
            arising from the arbitral award in Infosafe Systems,  Inc. v. Robert
            H. Nagel, AAA No.  13-160-00500-97.  It is also agreed that the fair
            market value of the Restricted Shares,  which shall be determined as
            of the date of the  determination of any damage amount,  shall be an
            offset  against any  amounts,  if any,  awarded to Nagel in Nagel v.
            Medici, 98 Civ. 2243 (SWK).

            Nagel and Trager hereby  acknowledge  receipt of Certificate No. INU
            624 evidencing  ownership by Nagel of 16,500 Restricted  Shares, and
            Certificate  No. INU 625  evidencing  ownership by Leslie  Trager of
            5,500  Restricted   Shares,   each  such  certificate   bearing  the
            restrictive legend set forth on the back thereof.  If ICC declares a
            dividend on its Class A Common Stock payable  in-kind,  or effects a
            split on such  Class A Common  Stock  (in  each  case,  prior to the
            effective date of the Resale Registration Statement), Nagel shall be
            entitled to the same  benefits as any other holder of Class A Common
            Stock.

            Paragraph 2 of the Revised Settlement Agreement is hereby amended by
the words "shall be delivered"  with the words "has been delivered" and deleting
the second sentence in paragraph 2 in its entirety.

            Notwithstanding  the foregoing amendment of Paragraphs 1(b) and 2 of
the Revised  Settlement  Agreement,  all other  terms of the Revised  Settlement
Agreement  shall be unaffected  and remain in full force and effect.  The Letter
Agreement,  dated August 26, 1999,  between the  undersigned  and Leslie Trager,
attorney for Robert H. Nagel,  is hereby  superceded by this agreement  amending
the Revised Settlement Agreement.

            If you agree with the content of this letter,  please sign below and
return to me as soon as possible.



Leslie Trager, Esquire
Mr. Arthur R. Medici
November 3, 1999
Page 2



                                                 Very truly yours,

                                                 /s/ Benjamin P. Deutsch

                                                   Benjamin P. Deutsch
                                         For SCHNADER HARRISON SEGAL & LEWIS LLP


AGREED:


/s/ Leslie Trager
- - ----------------------------------------------
Leslie Trager                        (Date)
On behalf of himself and as
Attorney for Respondent/Plaintiff
    Robert H. Nagel


/s/ Arthur R. Medici
- - ----------------------------------------------
Arthur R. Medici                     (Date)