OPPENHEIMER MAIN STREET CALIFORNIA MUNICIPAL FUND
Supplement Dated October 18, 1996
to the Prospectus dated November 1, 1995
The Prospectus is amended as follows:
1. The Supplement dated October 10, 1996 is replaced by
this Supplement.
2. Effective October 10, 1996, the name of the Fund
has been changed from "Oppenheimer Main Street
California Tax-Exempt Fund" to "Oppenheimer Main
Street California Municipal Fund" and all
references to the name of the Fund on the front
cover page and throughout the Prospectus are
changed to reflect the new name.
3. The first paragraph of the section captioned
"Investment Objective and Policies - Investments in
Taxable Securities and Temporary Defensive
Investment Strategy" on page 11 is deleted and
replaced with the following:
Investments in Taxable Securities and Temporary
Defensive Investment Strategy. Under normal market
conditions, the Fund may invest up to 20% of its
assets in taxable investments, including (i)
repurchase agreements; (ii) debt obligations rated
"A-3" or better by Standard & Poor's Corporation
("Standard & Poor's), "Prime-3" or better by
Moody's Investors Service, Inc. ("Moody's), or "F-
2" or better by Fitch Investors Service, Inc.
("Fitch"), which mature in one year or less
("short-term debt obligations"); (iii) bankers'
acceptances, certificates of deposits, time
deposits and U.S. Treasury bills ("cash
equivalents"); and (iv) Hedging Instruments.
October 18, 1996 PS0725.007
