CERTIFICATION

Pursuant To Section 906 of the Sarbanes-Oxley Act of 2002 (subsections
and (b) of section 1350, chapter 63 of title 18,United States Code),
each of the undersigned officers of Cash Assets Trust, do
hereby certify to such officer's knowledge, that:

The report on Form N-CSR of Cash Assets Trust for the
period ended September 30, 2006 (the "Form N-CSR")fully complies
with the requirements of Section 13(a) or 15(d) of the Securities
Exchange Act of 1934 and information contained in the Form N-CSR
fairly presents, in all material respects, the financial condition
and results of operations of the Hawaiian Tax-Free Trust.

Dated:  December 8, 2006			/s/  Diana P. Herrmann
						----------------------
						Vice Chair, President
						and Trustee
						Cash Assets Trust

Dated:  December 8, 2006        		/s/  Joseph P. DiMaggio
						-----------------------
						Chief Financial Officer
						and Treasurer
						Cash Assets Trust

A signed original of this written statement required by Section 906,
or other document authenticating, acknowledging, or otherwise adopting
the signature that appears in typed form within the electronic version
of this written statement required by Section 906, has been provided
to Hawaiian Tax-Free Trust and will be retained by Hawaiian Tax-Free
Trust and furnished to the Securities and Exchange Commission or its
staff upon request.

This certification is being furnished solely pursuant to 18 U.S.C.
ss. 1350 and is not being filed as part of the Report or as a
separate disclosure document.