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                                      10-K
                                  ANNUAL REPORT

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                       -----------------------------------
                                    FORM 10-K

                        FOR ANNUAL AND TRANSITION REPORTS
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


(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.


                        Commission file number           333-30082
                    --------------------------------   ---------------


        Chase Commercial Mortgage Securities Corp. (Issuer in respect of
          Commercial Mortgage Pass-Through Certificates, Series 1996-1,
           Series 1996-2, Series 1997-1, Series 1997-2, Series 1998-1,
                                 Series 1998-2,
                        Series 1999-1 and Series 1999-2)
       (formerly known as "Chemical Commercial Mortgage Securities Corp.")
      ---------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)

            NY                                         13-3728743
--------------------------------------       -----------------------------------
(State of Other Jurisdiction of              (IRS Employer Identification
Incorporation or Organization)                Identification Number)

      270 Park Avenue                                  10017
--------------------------------------       -----------------------------------
(Address of principal executive offices)              (Zip Code)

Registrant's telephone number, including area code:         (212) 270-6000


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

      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 reports), and (2) has been
subject to such filing requirements for the last 90 days:

                  YES __X__               NO _____

      Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K 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. NOT APPLICABLE.

      State the aggregate market value of the voting stock held by
non-affiliates of the Registrant. The aggregate market value shall be computed
by reference to the price at which the stock was sold, or the average bid and
asked priced of such stock, as of a specified date within 60 days prior to the
date of filing. (See definition of affiliate in Rule 405). NOT APPLICABLE.

                                Introductory Note

      This Annual Report on Form 10-K is filed in accordance with a letter to
the Office of Chief Counsel, Division of Corporate Finance of the Securities and
Exchange Commission (the "Division"), dated September 17, 1996, requesting
advise from the Division that it will raise no objection if Chase Commercial
Mortgage Securities Corp. (the "Registrant") files reports pursuant to Section
15(d), 13 and 16 of the Securities Exchange Act of 1934, as amended (the
"Exchange Act"), in the manner described therein, submitted to the Office of
Chief Counsel on behalf of the Registrant. Accordingly, responses to certain
Items have been omitted from or modified in this Annual Report on Form 10-K.

      Each series (a "Series") of the Registrant's Commercial Mortgage
Pass-Through Certificates (the "Certificates"), represent and beneficial
ownership interest in a trust fund (a "Trust Fund") consisting, among other
things, of a segregated pool of multifamily and or/or commercial mortgage loans
(the "Mortgage Loans"). The registrant has acted as depositor for the following
series of commercial mortgage pass-through certificates:

            Series 1996-1
            Series 1996-2
            Series 1997-1
            Series 1997-2
            Series 1998-1
            Series 1998-2
            Series 1999-1
            Series 1999-2


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Part I

Item 1.           Business

      Omitted.

Item 2.           Properties

      Information regarding the mortgaged properties will be included in the
Accountant's Statements and Annual Statements of Compliance filed under Item 14
hereof, as described in Item 14 hereof.

Item 3.           Legal Proceedings

      The Registrant knows of no material pending legal proceedings as it
relates to each Series involving the Registrant, the Certificates, the Servicer,
Special Servicer, the Trust Fund or any material pending legal proceeding, other
than routine litigation incidental to the applicable trustee, servicer, special
servicer, or the Registrant's duties under the related pooling and servicing
agreement.

Item 4.           Submission of Matters to a Vote of Security Holders

      No matter was submitted to a vote of security holders for any Series
during the fiscal year covered by this report.


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Part II

Item 5.           Market for Registrant's Common Equity and Related
                  Stockholders Matters

      (a)   (1)   To the knowledge of the Registrant, there is no established
                  public market for the Certificates of any Series

            (2)   To the knowledge of the Registrant, there are no reported high
                  and low bid quotations for any of the Certificates.

      (b)   The records of the Registrant indicate that as of December 31, 1999,
            the following Series had the following number of holders of record:

                  Series 1996-1: 4
                  Series 1996-2: 7
                  Series 1997-1: 7
                  Series 1997-2: 7
                  Series 1998-1: 7
                  Series 1998-2: 7
                  Series 1999-1: 8
                  Series 1999-2: 8

Item 6.           Selected Financial Data

      Omitted.

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

      Omitted.

Item 7A.    Quantitative and Qualitative Disclosures About Market Risk

      Not applicable.

Item 8.           Financial Statements and Supplementary Data

      See Item 14(a).

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

      None.



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Part III

Item 10.    Directors and Executive Officers of the Registrant

      Omitted.

Item 11.    Executive Compliance

      Omitted.

Item 12.    Security Ownership of Certain Beneficial Owners and Management

      Omitted.

Item 13.    Certain Relationships and Related Transactions

      Omitted.



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Part IV

Item 14.    Exhibits, Financial Statement Schedules, and Reports of Form 8-K

      (a)   Exhibits

            99.1  Servicer and Special Servicer Annual Statement of Compliance
                  For each of the following Series (Servicer listed first,
                  Special Servicer second):

                  (i)   Series 1996-1: The Chase Manhattan Bank,
                        Lennar Partners, Inc.*
                  (ii)  Series 1996-2: The Chase Manhattan Bank, Lennar
                        Partners, Inc.*
                  (iii) Series 1997-1: The Chase Manhattan Bank, Amresco
                        Management, Inc. ("Amresco").
                  (iv)  Series 1997-2: The Chase Manhattan Bank, Lennar
                        Partners, Inc.*
                  (v)   Series 1998-1: The Chase Manhattan Bank, Orix Real
                        Estate Capital Markets, LLC ("Orix")
                  (vi)  Series 1998-2: GMAC Commercial Mortgage
                        Corporation*, The Chase Manhattan Bank
                        (Subservicer)
                  (vii) Series 1999-1: The Chase Manhattan Bank,
                        Orix

            99.2  Report prepared by Servicer's and Special Servicer's certified
                  independent accountant's concerning their respective duties
                  for the year ended December 31, 1999 (Servicer's accountants
                  listed first, Special Servicer's second):

                  (i)   Series 1996-1: Price Waterhouse Coopers LLP*, Deloitte &
                        Touche, LLP
                  (ii)  Series 1996-2: Price Waterhouse Coopers LLP (see Exhibit
                        99.2 (i)), Deloitte & Touche, LLP (see Exhibit 99.2(i))
                  (iii) Series 1997-1: Price Waterhouse Coopers LLP (see Exhibit
                        99.2 (i)), Deloitte & Touche LLP
                  (iv)  Series 1997-2: Price Waterhouse Coopers LLP (see Exhibit
                        99.2 (i)), Deloitte & Touche, LLP (see Exhibit 99.2(i))
                  (v)   Series 1998-1: Price Waterhouse Coopers LLP (see Exhibit
                        99.2 (i)), Independent Accountants of Orix*
                  (vi)  Series 1998-2: Independent Accountants of
                        GMAC Commercial Mortgage Corporation*,
                        (see Exhibit 99.2(i))
                  (vii) Series 1999-1: Price Waterhouse Coopers LLP
                        (see Exhibit 99.2(i)), Independent Accountants
                         of Orix (see Exhibit 99.2(v))
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            *Unavailable on date of filing. To be filed upon receipt by the
Registrant.

(b)   Reports on Form 8-K during the last quarter of the prior calendar year.

      (i)         Reports on Form 8-K dated as of October 1, 1999, October 29,
                  1999, December 8, 1999 and December 30, 1999 in response to
                  Item 5 (other events) of Form 8-K were filed with respect to
                  information contained in the Distribution Date Statement for
                  each Series delivered for the Distribution Date occurring in
                  September, October, November and December 1999, respectively.

      (ii)        Reports on Form 8-K were filed during the last quarter of the
                  prior calendar year for the following series:

                        (A)   Series 1999-2
                              November 9, 1999 in response to Item 5
                              (collateral/structural term sheets)
                              November 16, 1999 in response to Item 5
                              (computations materials)


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                                   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.

Dated:  March 29, 2000

                                    Chase Commercial Mortgage
                                    Securities Corp.

                                    by The Chase Manhattan Bank

                                    By:  /s/  Janice M. Smith
                                    -----------------------------------
                                    Name:   Janice M. Smith
                                    Title:  Managing Director


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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 annual report, proxy statement, form of proxy or other proxy soliciting
material has been sent to Certificateholders during the period covered by this
Annual Report on Form 10-K and the registrant does not intend to furnish such
materials to Certificateholders subsequent to the filing of this report.


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                                INDEX TO EXHIBITS

            99.1  Servicer and Special Servicer Annual Statement of Compliance
                  For each of the following Series (Servicer listed first,
                  Special Servicer second):

                  (i)   Series 1996-1: The Chase Manhattan Bank,
                        Lennar Partners, Inc.*
                  (ii)  Series 1996-2: The Chase Manhattan Bank,
                        Lennar Partners, Inc.*
                  (iii) Series 1997-1: The Chase Manhattan Bank,
                        Amresco Management, Inc. ("Amresco").
                  (iv)  Series 1997-2: The Chase Manhattan Bank,
                        Lennar Partners, Inc.*
                  (v)   Series 1998-1: The Chase Manhattan Bank,
                        Orix Real Estate Capital Markets, LLC
                        ("Orix").
                  (vi)  Series 1998-2: GMAC Commercial Mortgage
                        Corporation*, The Chase Manhattan Bank
                        (Subservicer)

                  (vii) Series 1999-1: The Chase Manhattan Bank,
                        First Union National Bank (Subservicer),
                        Orix

            99.2  Report prepared by Servicer's and Special Servicer's certified
                  independent accountant's concerning their respective duties
                  for the year ended December 31, 1999 (Servicer's accountants
                  listed first, Special Servicer's second):

                  (i)   Series 1996-1: Price Waterhouse Coopers LLP*,
                         Deloitte & Touche, LLP
                  (ii)  Series 1996-2: Price Waterhouse Coopers LLP
                        (see Exhibit 99.2 (i)), Deloitte & Touche, LLP
                        (see Exhibit 99.2(i))
                  (iii) Series 1997-1: Price Waterhouse Coopers LLP
                        (see Exhibit 99.2 (i)), Deloitte & Touche LLP
                  (iv)  Series 1997-2: Price Waterhouse Coopers LLP
                        (see Exhibit 99.2 (i)), Deloitte & Touche, LLP
                        (see Exhibit 99.2(i))
                  (v)   Series 1998-1: Price Waterhouse Coopers LLP
                        (see Exhibit 99.2 (i)),
                        Independent Accountants of Orix*
                  (vi)  Series 1998-2: Independent Accountants of
                        GMAC Commercial Mortgage Corporation*
                        (see Exhibit 99.2(i))
                  (vii) Series 1999-1: Price Waterhouse Coopers LLP
                        (see Exhibit 99.2 (i)), KMPG LLP,
                        Independent Accountants of Orix
                        (see Exhibit 99.2(v))

            *Unavailable on date of filing. To be filed upon receipt by the
Registrant.