UNITED STATES

                      SECURITIES AND EXCHANGE COMMISSION

                            WASHINGTON, D.C. 20549

                                  ----------

                                   FORM 10-K

(Mark One)

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

        For the fiscal year ended:   December 31, 1999
                                     -----------------

                                      OR

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

        For the transition period from               to
                                       -------------    ------------

                     Commission file number: 033-63714-82
                                             ------------

                  CWMBS, Inc., Alternative Loan Trust 1999-1
               Mortgage Pass-Through Certificates, Series 1999-6
               -------------------------------------------------
            (Exact name of Registrant as specified in its charter)


           Delaware                                 95-4449516
-----------------------------            ------------------------------------
(State or other jurisdiction of          (IRS Employer Identification Number)
incorporation or organization)

c/o     The Bank of New York
        101 Barclay Street
        New York, New York                                    10286
--------------------------------------                ---------------------
(Address of principal executive offices)                   (Zip Code)

Registrant's telephone number, including area code:   (212) 815-2007
                                                      --------------

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

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



<PAGE>



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 X  No
                                                  ---   ---

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K (ss. 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. [ ]

State the aggregate market value of the voting and non-voting common equity
held by non-affiliates of the Registrant: Not applicable
                                          --------------

Indicate the number of shares outstanding as of each of the registrant's
classes of common stock, of December 31, 1999: Not applicable
                                               --------------



<PAGE>



DOCUMENTS INCORPORATED BY REFERENCE

                                     None.

                                   *   *   *


        This Annual Report on Form 10-K (the "Report") is filed with respect
to the trust fund entitled Alternative Loan Trust 1999-1 (the "Trust Fund")
formed pursuant to the pooling and servicing agreement dated as of April 1,
1999 (the "Pooling and Servicing Agreement") among CWMBS, Inc., as depositor
(the "Company"), Countrywide Home Loans, Inc., as seller and master servicer
(the "Master Servicer"), and The Bank of New York, as trustee (the "Trustee"),
for the issuance of CWMBS, Inc., Mortgage Pass-Through Certificates, Series
1999-6 (the "Certificates"). Certain information otherwise required to be
included in this Report by the Instructions to Form 10-K has been omitted in
reliance on the relief granted to the Company in CWMBS, Inc. (February 3,
1994) (the "Relief Letter").


<PAGE>



                                    PART I

ITEM 1.        BUSINESS

               Not applicable. See the Relief Letter.

ITEM 2.        PROPERTIES

               Not applicable. See the Relief Letter.

ITEM 3.        LEGAL PROCEEDINGS

               There were no material pending legal proceedings relating to
               the Trust Fund to which any of the Trust Fund, the Trustee, the
               Master Servicer or the Company was a party or of which any of
               their respective properties was the subject during the fiscal
               year covered by this Report, nor is the Company aware of any
               such proceedings contemplated by governmental authorities.

ITEM 4.        SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

               No matter was submitted to a vote of Certificateholders, and no
               Certificateholder consent was solicited during the fiscal year
               covered by this Report.


<PAGE>



                                    PART II

ITEM 5.        MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER
               MATTERS

               (a) There is no established public trading market for the
               Certificates.

               (b) ____ As of December 31, 1999, there were less than 300
               holders of record of the Certificates.

               (c)    Not applicable.  (Information as to distributions to
               Certificateholders is provided in the Registrant's monthly
               filings on Form 8-K.)

ITEM 6.        SELECTED FINANCIAL DATA

               Not applicable.  See the Relief Letter.

ITEM 7.        MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
               RESULTS OF OPERATIONS

               Not applicable.  See the Relief Letter.

ITEM 7A        QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

               Not applicable.  See the Relief Letter.

ITEM 8.        FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

               Not applicable.  See the Relief Letter.

ITEM 9.        CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
               FINANCIAL DISCLOSURE

               None.


<PAGE>



                                   PART III

ITEM 10.       DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

               Not applicable.  See the Relief Letter.

ITEM 11.       EXECUTIVE COMPENSATION

               Not applicable.  See the Relief Letter.

ITEM 12.       SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

               (a)    Not applicable.  See the Relief Letter.

               (b)    Not applicable.  See the Relief Letter.

               (c)    Not applicable.  See the Relief Letter.

ITEM 13.       CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

               (a)    Not applicable.  See the Relief Letter.


<PAGE>



                                    PART IV

ITEM 14.       EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K

                                    (a) (1) Pursuant to the Pooling
                             and Servicing Agreement, the Master Servicer is
                             required (i) to deliver an annual statement as to
                             compliance with the provisions of the Pooling and
                             Servicing Agreement and certain other matters
                             (the "Annual Statement of the Master Servicer")
                             and (ii) to cause a firm of independent public
                             accountants to deliver an annual report as to
                             compliance with the servicing provisions of the
                             Pooling and Servicing Agreement (the "Annual
                             Report of the Firm of Accountants"). The Annual
                             Statement of the Master Servicer is attached as
                             Exhibit 99.1 to this Report. The Annual Report of
                             the Firm of Accountants is required to be
                             delivered not later than 120 days after the end
                             of the Master Servicer's fiscal year. The
                             Registrant hereby undertakes to file the Annual
                             Report of the Firm of Accountants as an Exhibit
                             to a Form 10-K/A amending this Form 10-K promptly
                             following the date on which such report becomes
                             available.

                      (2)    Not applicable.

                      (3)    The required exhibits are as follows:

                                                   Exhibit 3(i):  Copy of
                             Company's Certificate of Incorporation (Filed as
                             an Exhibit to Registration Statement on Form S-3
                             (File No.33-63714)).

                                                   Exhibit 3(ii):  Copy of
                             Company's By-laws (Filed as an Exhibit to
                             Registration Statement on Form S-3 (File No.
                             33-63714)).

                                                   Exhibit 4:  Pooling and
                             Servicing Agreement (Filed as part of the
                             Registrant's Current Report on Form 8-K filed on
                             October 29, 1999).

                                                   Exhibit 99.1:  Annual
                             Statement of the Master Servicer.

               (b) Current Reports on Form 8-K filed during the last
               quarter ended December 31, 1999:

<TABLE>
<CAPTION>
<S>            <C>                                <C>

                      Date of Current Report                     Item Reported
                      ----------------------                     -------------

               October 25, 1999                    Monthly Report sent to certificateholders
                                                   with the October 1999 distribution

               November 25, 1999                   Monthly Report sent to certificateholders
                                                   with the November 1999 distribution

               December 27, 1999                   Monthly report sent to certificateholders
                                                   with the December 1999 distribution
</TABLE>

               (c)    See subparagraph (a)(3) above.

               (d)    Not applicable.  See the Relief Letter.

        SUPPLEMENTAL INFORMATION TO BE FURNISHED WITH REPORTS FILED PURSUANT
TO SECTION 15(d) OF THE ACT BY REGISTRANTS WHICH HAVE NOT REGISTERED
SECURITIES PURSUANT TO SECTION 12 OF THE ACT.

        No such annual report, proxy statement, form of proxy or other
soliciting material has been sent to Certificateholders. See the Relief
Letter.


<PAGE>



                                  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.

                                            CWMBS, INC.,
                                            ALTERNATIVE LOAN TRUST 1999-1,
                                            MORTGAGE PASS-THROUGH CERTIFICATES,
                                            SERIES 1999-6


                                    By:     The Bank of New York,
                                            as Trustee*


                                    By:     /s/  Courtney Bartholomew
                                            -------------------------
                                            Name:  Courtney Bartholomew
                                            Title:  Assistant Vice President

                             Date: March 22, 2000

____________
*     This Report is being filed by the Trustee on behalf of the
      Trust Fund. The Trust Fund does not have any officers or directors.


<PAGE>



                                 EXHIBIT INDEX
<TABLE>
<CAPTION>
<S>            <C>                                                                <C>

                                                                                    Sequential
Exhibit Document                                                                   Page Number
----------------                                                                   ------------

3(i)           Company's Certificate of Incorporation (Filed as an Exhibit to
               Registration Statement on Form S-3 (File No. 33-63714))  *

3(ii)          Company's By-laws (Filed as an Exhibit to Registration
               Statement on Form S-3 (File No. 33-63714)) *

4              Pooling and Servicing Agreement (Filed as part of the
               Company's  Current Report on Form 8-K filed on October 29,
               1999)*

99.1           Annual Statement of the Master Servicer......................................12
</TABLE>






___________
*     Incorporated herein by reference.


<PAGE>






                                 Exhibit 99.1
                                 ------------

<PAGE>



COUNTRYWIDE HOME LOANS, INC.


                             OFFICERS' CERTIFICATE
                    ANNUAL STATEMENT OF THE MASTER SERVICER

                                  CWMBS, INC.
                         ALTERNATIVE LOAN TRUST 1999-1
               MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 1999-6


        The undersigned do hereby certify that they are each an officer of
Countrywide Home Loans, Inc. (the "Master Servicer") and do hereby further
certify pursuant to Section 3.16 of the Pooling and Servicing Agreement for
the above-captioned Series (the "Agreement") that:

        (i) A review of the activities of the Master Servicer during the
        preceding calendar year and of the performance of the Master Servicer
        under the Agreement has been made under our supervision; and

        (ii) To the best of our knowledge, based on such review, the Master
        Servicer has fulfilled all its obligations under the Agreement
        throughout such year.

/s/ Thomas H. Boone                         Dated: 3/22/00

THOMAS H. BOONE
MANAGING DIRECTOR,
 PORTFOLIO MANAGEMENT


/s/ David A. Spector                        Dated: 3/22/00

DAVID A. SPECTOR
SENIOR VICE PRESIDENT