EX-99.906CERT


                                  CERTIFICATION

R. JAY GERKEN, Chief Executive Officer, and LEWIS E. DAIDONE, Chief
Administrative Officer of Cash Reserves Portfolio (the "Registrant"), each
certify to the best of his or her knowledge that:

1.   The Registrant's periodic report on Form N-CSR for the period ended August
     31, 2003 (the "Form N-CSR") fully complies with the requirements of section
     15(d) of the Securities Exchange Act of 1934, as amended; and

2.   The information contained in the Form N-CSR fairly presents, in all
     material respects, the financial condition and results of operations of the
     Registrant.

Chief Executive Officer                             Chief Administrative Officer
Cash Reserves Portfolio                             Cash Reserves Portfolio

/s/ R. JAY GERKEN                           /s/ LEWIS E. DAIDONE
----------------------                      -----------------------
R. Jay Gerken                               Lewis E. Daidone
Date: October 16, 2003                      Date: October 16, 2003

This certification is being furnished to the Securities and Exchange Commission
solely pursuant to 18 U.S.C. ss. 1350 and is not being filed as part of the Form
N-CSR with the Commission.