Exhibit 24(b)(10) GORDON HURWITZ BUTOWSKY WEITZEN SHALOV & WEIN 101 Park Avenue New York, NY 10178 March 2, 1987 Oppenheimer Retirement Fund 2 Broadway New York, New York 10004 Dear Sirs: In connection with the proposed public offering of shares of beneficial interest in Oppenheimer Selective Stocks Fund, Oppenheimer U.S. Government Securities Fund, Oppenheimer Quality Money Market Fund and Oppenheimer Asset Allocation Fund (collectively, the "Funds"), each being a series of Oppenheimer Retirement Fund (the "Trust"), we have examined such records and documents and have made such further investigations and examinations as we have deemed necessary for the purposes of this opinion. It is our opinion that the Trust is a business trust duly organized and validly existing under the laws of the Commonwealth of Massachusetts and that an indefinite number of shares of each Fund covered by the Trust's Registration Statement on Form N-1A (SEC Reg. No. 2-86903) (the "Registration Statement), when issued and paid for in accordance with the terms of the offering, as set forth in the Prospectus and Statement of Additional Information forming a part of the Registration Statement, will be legally issued, fully paid and non-assessable by the Trust to the extent set forth in the Registration Statement. We hereby consent to the filing of this opinion as an Exhibit to the Registration Statement and to the reference to us in the Prospectus and Statement of Additional Information forming a part thereof. We also consent to the filing of this opinion with the authorities administering the "Blue Sky" or securities law of any jurisdiction in connection with the registration or qualification under such law of the Trust's only shares. Very truly yours, /s/ Gordon Hurwitz Butowsky Weitzen Shalov & Wein --------------------------- Gordon Hurwitz Butowsky Weitzen Shalov & Wein OPINION\240