<PAGE>
Exhibit (10)(b)
August 30, 2000
Mitchell Hutchins Asset Management Inc.
1285 Avenue of the Americas
New York, New York 10019
Re: PaineWebber RMA New York Municipal Money Fund, a
series of the PaineWebber Managed Municipal Trust
(the "New York Fund")
We hereby consent to the filing of this consent as an exhibit
to the registration statement on Form N-1A for the New York Fund filed as of the
date hereof (the "Registration Statement") and to the use of our name as counsel
to the New York Fund in the Registration Statement and the Prospectus for the
New York Fund.
Very truly yours,
/s/Orrick, Herrington & Sutcliffe, LLP
--------------------------------------
Orrick, Herrington & Sutcliffe, LLP