8-K/A 1 csf04003_8ka-200411.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D. C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 26, 2004 CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORPORATION Mortgage-Backed P/T Certificates, Series 2004-3 (Exact name of registrant as specified in its charter) New York (governing law of 333-107055-26 54-2151934 Pooling and Servicing Agreement) (Commission 54-2151935 (State or other File Number) 54-2151936 jurisdiction 54-2151937 of Incorporation) 54-2165607 IRS EIN c/o Wells Fargo Bank, N.A. 9062 Old Annapolis Road Columbia, MD 21045 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (410) 884-2000 (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act(17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act(17 CFR 240.13e-4(c)) ITEM 8.01 Other Events Subsequent to filing the 8-K relating to the payment date on November 26, 2004, a revision was made to the CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORPORATION, Mortgage-Backed P/T Certificates, Series 2004-3 Trust which was not included in the original 8-K filed. The 8-K is being amended because the calculations for the monthly WAM (Weighted Average Maturity) was not set correctly. This revision was not previously disclosed in a 1934 Act filing. The revised data has been and will continue to be available on the Wells Fargo Bank, N.A., website at www.ctslink.com. ITEM 9.01 Financial Statements and Exhibits (c) Exhibits Exhibit Number Description EX-99.1 Amended monthly report distributed to holders of Mortgage-Backed P/T Certificates, Series 2004-3 Trust, relating to the November 26, 2004 distribution. Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORPORATION Mortgage-Backed P/T Certificates, Series 2004-3 Trust (Registrant) By: Wells Fargo Bank, N.A. as Trust Administrator By: /s/ Kelly Rentz as Officer By: Kelly Rentz as Officer Date: 10/12/2006 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Amended monthly report distributed to holders of Mortgage-Backed P/T Certificates, Series 2004-3 Trust, relating to the November 26, 2004 distribution. EX-99.1 Credit Suisse First Boston Mortgage Securities Corp. Mortgage-Backed P/T Certificates Distribution Date: 11/26/2004 Credit Suisse First Boston Mortgage Securities Corp. Mortgage-Backed P/T Certificates Series CSFB 2004-3 Contact: Customer Service - CTSLink Wells Fargo Bank, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 www.ctslink.com Telephone: (301) 815-6600 Fax: (301) 815-6660

Additional Reporting - Group Level Miscellaneous Reporting

REO Detail - All Mortgage Loans in REO during Current Period

Foreclosure Detail - All Mortgage Loans in Foreclosure during Current Period

Bankruptcy Detail - All Mortgage Loans in Bankruptcy during Current Period

Prepayment - Voluntary Prepayments

CSFB Mortgage-Backed Pass-Through Certificates, Series 2004-3 8-K/A