Exhibit 32

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

     The certification set forth below is being submitted in connection with the
Quarterly Report of International Paper Company (the "Company") on Form 10-Q for
the quarterly period ending September 30, 2003 for the purpose of complying with
Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the
"Exchange Act") and Section 1350 of Chapter 63 of Title 18 of the United States
Code. John V. Faraci, Chief Executive Officer of the Company, and Christopher P.
Liddell, Chief Financial Officer of the Company, each certify that, to the best
of his knowledge:

          (1)  The Report fully complies with the requirements of Section 13(a)
               or 15(d) of the Exchange Act; and

          (2)  The information contained in the Report fairly presents, in all
               material respects, the financial condition and results of
               operations of the Company.

/s/ John V. Faraci
John V. Faraci
Chairman and Chief Executive Officer
November 13, 2003


/s/ Christopher P. Liddell
Christopher P. Liddell
Senior Vice President and Chief Financial Officer
November 13, 2003

     This certification accompanies this Report on Form 10-Q pursuant to
Section 906 of the Sabarnes-Oxley Act of 2002 and shall not, except to the
extent required by such Act, be deemed filed by the Company for purposes of
Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange
Act"). Such certification will not be deemed to be incorporated by reference
into any filing under the Securities Act of 1933, as amended, or the Exchange
Act, except to the extent that the Company specifically incorporates it by
reference.

     A signed original of this written statement required by Section 906, or
other document authenticating, acknowledging, or otherwise adopting the
signature that appears in typed form within the electronic version of this
written statement required by Section 906, has been provided to International
Paper Company and will be retained by International Paper Company and
furnished to the Securities and Exchange Commission or its staff upon request.