UNITED STATES

 SECURITIES AND EXCHANGE COMMISSION

 WASHINGTON, D.C. 20549

 FORM 10-K

 (Mark One)

 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

 For the fiscal year ended December 31, 2024

 or

 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

 For the transition period from ________ to ________

 filed on behalf of:

 Commission File Number of issuing entity: 001-32131

 Central Index Key Number of issuing entity: 0001284143

 Corporate
Backed Trust Certificates, Goldman Sachs Capital I Securities-Backed Series 2004-6 Trust

 (Exact Name of Registrant as Specified in Its Charter)

 by:

 Commission File Number of depositor: 001-11661

 Central Index Key Number of depositor: 0000829281

 SCS LABS
Corporation
 (Exact Name of Depositor as Specified in Its Charter)

 Delaware

 13-3447441

 (State or other jurisdiction of

 incorporation or organization)

 (I.R.S. Employer

 Identification No.)

 200 Continental Drive, Suite 401, Newark, Delaware

 19713

 (Address of principal executive offices)

 (Zip Code)

 Registrant's telephone number, including area code: (646)
 285-9000
 Securities registered pursuant to Section 12(b) of the Act:

 Title of Each Class

 Name of Each Exchange on

 Which Registered

 Corporate Backed Trust Certificates, Goldman Sachs Capital I Securities-Backed Series 2004-6

 New York Stock Exchange ("NYSE")

 Securities registered pursuant to Section 12(g) of the Act: None

 Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities
Act. Yes No
 Indicate by check mark if the registrant is not required to file reports pursuant to Section 13
or Section 15(d) of the Act. Yes No
 Indicate by check mark whether the registrant: (1) has filed all
reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. Yes No
 Indicate by check mark whether the registrant has submitted
electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the
preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Not applicable.
 Indicate by check mark
if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant's knowledge, in
definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.

 Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated
filer. See definition of "accelerated filer and large accelerated filer" in Rule 12b-2 of the Exchange Act. (Check one):

 Large Accelerated Filer

 Accelerated Filer

 Non-Accelerated Filer

 Smaller reporting company

 Emerging growth company

 If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period
for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
 Indicate
by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes No

 State the aggregate market value of the voting and non-voting common equity held by
 non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most
recently completed second fiscal quarter.
 The registrant has no voting stock or class of common stock that is held by
 non-affiliates.
 DOCUMENTS INCORPORATED BY REFERENCE

 The distribution reports to security holders filed on Form 8-K during the fiscal year in lieu of reports on Form 10-Q which include the reports filed on Form 8-K listed in Item 15(a) hereto are incorporated by reference into part IV of this Annual Report.

 Introductory Note

 SCS LABS Corporation (the "Depositor") is the Depositor in respect of the Corporate Backed Trust Certificates, Goldman Sachs Capital I
Securities-Backed Series 2004-6 Trust (the "Trust"), a common law trust formed pursuant to the Standard Terms for Trust Agreements, dated as of January 16, 2001, between the Depositor and
U.S. Bank Trust National Association, as trustee (the "Trustee"), as supplemented by a Series Supplement (the "Series Supplement") dated as of March 19, 2004 in respect of the Trust. The Trust's assets consist solely of
capital Securities issued by Goldman Sachs Capital I (the "Underlying Securities Issuer"). The Certificates do not represent obligations of, or interests in, the Depositor or the Trustee.

 The Goldman Sachs Group, Inc., the issuer of the junior subordinated debentures, the sole assets held by the Underlying Securities Issuer, is subject to the
information reporting requirements of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). For information on The Goldman Sachs Group, Inc., please see its periodic and current reports filed with the Securities and
Exchange Commission (the "Commission") under The Goldman Sachs Group, Inc.'s Exchange Act file number, 001-14965. The Commission maintains a site on the World Wide Web at
" at which users can view and download copies of reports, proxy and information statements and other information regarding issuers filed electronically through the Electronic Data Gathering, Analysis and Retrieval
system, or "EDGAR." Periodic and current reports and other information required to be filed pursuant to the Exchange Act by the issuer of the underlying securities may be accessed on this site. Neither the Depositor nor the Trustee has
participated in the preparation of such reporting documents, or made any due diligence investigation with respect to the information provided therein. Neither the Depositor nor the Trustee has verified the accuracy or completeness of such documents
or reports. There can be no assurance that events affecting the issuer of the underlying securities or the underlying securities have not occurred or have not yet been publicly disclosed which would affect the accuracy or completeness of the
publicly available documents described above.

 Item 1. Business.

 Item 1A. Risk Factors.

 Item 1B. Unresolved Staff Comments.

 Item

 2. Properties.

 Item 3. Legal Proceedings.

 None
 Item 4. Submission of Matters
to a Vote of Security Holders.
 None

 Item 5. Market for
Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.
 The publicly offered
Certificates representing investors' interest in the Trust are represented by one or more physical Certificates registered in the name of "Cede & Co.", the nominee of The Depository Trust Company. Those publicly offered
Certificates are listed on the NYSE.

 Item 6. Selected Financial Data.

 Item

 7. Management's Discussion and Analysis of Financial Condition and Results of
Operation.

 Item 7A. Quantitative and Qualitative Disclosures About Market Risk.

 Item 8. Financial Statements
and Supplementary Data.

 Item 9. Changes in and Disagreements With Accountants on Accounting and Financial Disclosure.

 None
 Item 9A. Controls and Procedures.

 Item 9A(T). Controls
and Procedures.
 Item
9B. Other Information.

 Item 10. Directors,
Executive Officers and Corporate Governance.

 Item 11. Executive Compensation.
 Not
Applicable
 Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.

 Item 13. Certain
Relationships and Related Transactions, and Director Independence.
 None

 Item 14. Principal Accountant Fees and Services.

 Item 15. Exhibits, Financial Statement Schedules.

 (a)

 The following documents have been filed as part of this report.

 1.

 Trustee's Distribution Statements documented on Form 8-K regarding
the distributions from the Trust to the certificateholders for the period from January 1, 2022 through and including December 31, 2022 have been filed with the Securities and Exchange Commission and are hereby incorporated by reference.
Filing dates are listed below:

 Trust Description

 Distribution
Date

 Filed on

 Corporate Backed Trust Certificates, Goldman Sachs Capital I Securities-Backed Series 2004-6 Trust

 02/15/2024
 08/15/2024

 02/28/2024
 08/27/2024

 2.

 None.

 3.

 Exhibits:

 31.1 – Certification by Vice President and Assistant Treasurer of the Registrant pursuant to 15 U.S.C. Section 7241, as adopted
pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
 31.2 – Annual Compliance Report by Trustee pursuant to 15 U.S.C.
Section 7241, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
 31. 3 – Report of Aston Bell, CPA.

 (b)

 See Item 15(a) above.

 (c)

 Not Applicable.

 SIGNATURES

 Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to
be signed on its behalf by the undersigned thereunto duly authorized.

 Lehman ABS Corporation, as Depositor for the Trust (the "Registrant")

 Dated: March 31, 2025

 By:

 /s/ Paul Edwards

 Name: Paul Edwards

 Title: Vice President

 EXHIBIT INDEX

 Reference Number per Item 601 of Regulation SK

 Description of Exhibits

 Exhibit Number

 in this Form 10-K

 (31.1)

 Certification by Vice President of the Registrant pursuant to 15 U.S.C. Section 7241, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

 31.1

 (31.2)

 Annual Compliance Report by Trustee pursuant to 15 U.S.C. Section 7241, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

 31.2

 (31.3)

 Report of Aston Bell, CPA.

 31.3