UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): [ ]Form 10-K [x]Form 20-F [ ]Form 10-Q [ ]Form N-SAR For Period Ended: December 31, 2003 __________________________ [ ] Transition Report on Form 10-K [ ] Transition Report on Form 20-F [ ] Transition Report on Form 11-K [ ] Transition Report on Form 10-Q [ ] Transition Report on Form N-SAR For the Transition Period Ended:_____________________ Read Instruction (on back page) Before Preparing Form. Please Print or Type. Nothing in this form shall be construed to imply that the Commission has verified any information contained herein. If the notification relates to a portion of the filing checked above, identify the Item(s)to which the notification relates: _____________________________________________________________________ PART I - REGISTRANT INFORMATION Corporacion Durango, S.A. de C.V. _____________________________________________________________________ Full Name of Registrant N/A _____________________________________________________________________ Former Name if Applicable Torre Corporativa Durango, Potasio 150 _____________________________________________________________________ Address of Principal Executive Office (Street and Number) Ciudad Industrial, Durango, Durango, Mexico 34208 _____________________________________________________________________ City, State and Zip Code PART II - RULES 12b-25(b) AND (c) If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed. (Check box if appropriate) (a) The reason described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense. [x] (b) The subject annual report, semi-annual report, transition report on Form 10-K, Form 20-F, Form 11-K or Form NSAR, or portion thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report or transition report on Form 10-Q, or portion thereof will be filed on or before the fifth calendar day following the prescribed due date; and (c) The accountant's statement or other exhibit required by Rule 12b-25(c) has been attached if applicable. PART III - NARRATIVE State below in reasonable detail why forms 10-K, 20-F, 11-K 10-Q, N-SAR, or thetransition report or portion thereof, could not be filed within the prescribed time period. The Registrant is unable to file its Annual Report on Form 20-F for the year ended December 31, 2003 without unreasonable effort or expenses as Registrant has been unable to complete its financial statements in time to file by the filing date due to: (i) delays in the completion of the U.S. GAAP reconciliation of the financial statements of the Registrant and the non-wholly owned subsidiaries that guarantee certain of its debt securities as a result of the change in the Registrant's auditors during the 2003 fiscal year; and (ii) the resolution of accounting and disclosure issues relating to the Registrant's proposed financial restructuring and concurso mercantil filing in Mexico. PART IV - OTHER INFORMATION (1) Name and telephone number of person to contact in regard to this notification Gabriel Villegas 011 (5255) 5488-0380 ________________ ____________ _________________ (Name) (Area Code) (Telephone Number) (2) Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed? If answer is no, identify report(s). Yes[x] No[ ] ________________________________________________________________ (3) Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof? Yes[x] No[ ] If so, attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate,state the reasons why a reasonable estimate of the results cannot be made. Based on the financial statements of the Registrant prepared under Mexican GAAP that were filed under cover of Form 6-K on May 21, 2004, were filed under cover of Form 6-K on May 21, 2004, net sales for the year ended December 31, 2003 were Ps 6,831.0 million, representing a 15.9% decrease over net sales of Ps 8,124.5 million for the year ended December 31, 2002. Net loss in the year ended December 31, 2003 was Ps (3,354.2) million, or Ps (36.03) per share, compared to net loss of Ps (3,738.9) million, or Ps (39.78) per share, for the year ended December 31, 2002. ________________________________________________________________________ Corporacion Durango, S.A. de C.V. ______________________________________________ (Name of Registrant as Specified in Charter) has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized. Date July 1, 2004 By /s/ Gabriel Villegas ___________________ _________________________ Gabriel Villegas Secretary INSTRUCTION: The form may be signed by an executive officer of the registrant or by any other duly authorized representative. The name and title of the person signing the form shall be typed or printed beneath the signature. If the statement is signed on behalf of the registrant by an authorized representative (other than an executive officer), evidence of the representative's authority to sign on behalf of the registrant shall be filed with the form.