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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934

                Date of Report: (Date of earliest event reported)

                                  May 15, 2000



                              GOVERNMENT TRUSTS 3-C
              ----------------------------------------------------
             (Exact name of registrant as specified in its charter)



                                    Illinois
                  --------------------------------------------
                 (State or other jurisdiction of incorporation)


                  33-30048                       36-6193824
           -----------------------           ---------------------
          (Commission File Number)          (IRS Employer I.D. No.)


         Bank One Trust Company, NA (formerly The First National Bank of
                                Chicago), Trustee
               9th Floor, Suite IL1-0126, Chicago, Illinois 60670
                ------------------------------------------------
               (Address of principal executive offices (Zip Code)

       Registrant's telephone number, including area code: (312) 407-2797

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Item 5.   Other Events

Attached hereto as Exhibit A are copies of the reports to holders of Government
Trust Certificates Class 3-C, dated May 15, 2000.


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                                    SIGNATURE

         Pursuant to the requirements of the Securities Exchange Act of 1934,
Bank One Trust Company, NA (formerly The First National Bank of Chicago) has
duly caused this report to be signed for the registrant Trust by a duly
authorized signatory of the Trustee.

                                GOVERNMENT TRUST CERTIFICATES


                                       By: Bank One Trust Company, NA
                                           --------------------------
                                           (formerly The First National Bank of
                                           Chicago)
                                           Not in its individual capacity but
                                           solely as Trustee on behalf of the
                                           Trusts 3-C.


                                By: /s/ Joan E. Blume
                                   ---------------------------------------------
                                        Joan E. Blume
                                        Trust Officer


Date: as of May 15, 2000

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                                                                    May 15, 2000





To The Holders of
Government Trust Certificates
Zero Coupon Class 3-C

In accordance with Section 4.1 of the Declaration of Trust ("Trust"), Bank One
Trust Company, NA (successor in interest to The First National Bank of Chicago),
as Trustee and not in its individual capacity ("Trustee"), hereby provides the
holders of the above-mentioned certificates this Semi-annual Report relating to
the May 15, 2000 Certificate Payment Date.

Any capitalized terms used herein shall have the meaning assigned to them in the
Trust.

1.   The aggregate dollar amount distributed to holders of Class 3-C
     Certificates: $13,941,796.58.

2.   The Principal Balance of the Class 3-C Note after the May 3, 2000 Note
     Payment Date: $302,435,945.82.

3.   The Deficient amount of the Note Payment: $-0-

Neither a delinquency in payment under any of the Notes nor an Event of Default
has occurred and is continuing.

I, Ronald J. Bruner, a Responsible Officer of the Trustee, to the best of my
knowledge and belief, certify that this Semi-annual Report is complete and
accurate.

                                       /s/  Ronald J. Bruner
                                       -----------------------------------------
                                       Ronald J. Bruner
                                       Vice President

                                       For Bank One Trust Company, NA (successor
                                       in interest to The First National Bank of
                                       Chicago), as Trustee and not in its
                                       individual capacity.