SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                    FORM 6-K

                       SECURITIES AND EXCHANGE COMMISSION

                              Washington D.C. 20549

                            Report of Foreign Issuer
                      Pursuant to Rule 13a-16 or 15d-16 of
                       the Securities Exchange Act of 1934


For the Collection Period ending August 18, 2003


                INTERSTAR SECURITISATION MANAGEMENT PTY LIMITED,
                    (in its capacity as trust manager for the
                   Interstar Millenium Series 2003-1G Trust)
          -------------------------------------------------------------
             (Exact name of Registrant as specified in its Charter)


       Level 28, 367 Collins Street, Melbourne, Victoria, 3000, Australia
       -------------------------------------------------------------------
                    (Address of Principal Executive Offices)


         Indicate by check mark whether the registrant files or will file annual
reports under cover Form 20-F or Form 40-F.


                  Form 20-F  [X]           Form 40-F  [ ]

         Indicate  by check  mark  whether  the  registrant  by  furnishing  the
information contained in this Form is also thereby furnishing the information to
the Commission  pursuant to Rule 12g3-2(b) under the Securities  Exchange Act of
1934.

                    Yes  [ ]                  No   [X]

         If "Yes" is marked,  indicate  below the file  number  assigned  to the
registrant in connection with Rule 12g3-2(b): 82-_______________________.






OTHER EVENTS

On February 27, 2003 Interstar  Securitisation  Management  Pty Limited,  in its
capacity as Trust Manager (the Trust Manager) of the Interstar  Millenium Series
2003-1G Trust (the Trust),  publicly issued  US$750,000,000 of Class A2 Mortgage
Backed Floating Rate Notes due May 2035 and  US$15,500,000  of Class B1 Mortgage
Backed  Floating Rate Notes due May 2035 (the Notes)  pursuant to a registration
statement (No.  333-102569)  declared effective on February 12, 2003.  Interstar
Securitisation  Management  Pty Limited was the manager for the  issuance of the
Notes.  Capitalized  terms used in this Form 6-K and not  defined  have the same
meanings given to them in the prospectus related to the Notes.

On May 27, 2003, the Quarterly  Payment Date, the Trust made a regular quarterly
distribution of principal and interest to the holders of the Notes issued by the
Trust.

On August  27,  2003,  the  Quarterly  Payment  Date,  the Trust  made a regular
quarterly  distribution  of  principal  and interest to the holders of the Notes
issued by the Trust.


                                      -2-




                                   SIGNATURES

         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf,  as Trust
Manager for the Interstar  Millennium  Series 2003-1G Trust, by the undersigned,
thereunto duly authorized.

                                         Interstar Securitisation Management Pty
                                         Limited, (in its capacity as trust
                                         manager for the Interstar Millennium
                                         Series 2003-1G Trust) (Registrant)

Dated: September 17, 2003



                                    By:
                                       -----------------------------------------
                                       Name:  Sam Kyriacou
                                       Title: Chief Executive Officer



                                      -3-



                                  EXHIBIT INDEX


Exhibit           Description
- -------           -----------

 99.1             Quarterly Noteholders Report Related to the August 27, 2003
                  Distribution





                                      -4-