Exhibit 23(a) Independent Auditor's Consent We consent to the incorporation by reference in the Registra- tion Statements Nos. 33-52945 and 33-62283 of International Paper Company of our report dated February 14, 1996 appearing in Form 8-K of Federal Paper Board Company, Inc. dated February 29, 1996. DELOITTE & TOUCHE LLP Parsipanny, New Jersey June 3, 1996