CUC INTERNATIONAL INC. AND SUBSIDIARIES

EXHIBIT 15 -- LETTER RE: UNAUDITED INTERIM FINANCIAL INFORMATION

August 27, 1997

Shareholders and Board of Directors
CUC International Inc.

We are aware of the incorporation by reference in the Joint Proxy Statement 
filed by CUC International Inc. and HFS Incorporated that is made a part of the
Registration Statement (Form S-4) and related Prospectus of CUC International 
Inc. for the registration of its common stock of our report dated June 13, 1997
relating to the unaudited condensed consolidated interim financial statements of
CUC International Inc. that are included in its Quarterly Report on Form 10-Q 
for the quarter ended April 30, 1997.

Pursuant to Rule 436(c) of the Securities Act of 1933, our report is not a
part of the registration statement prepared or certified by accountants within
the meaning of Section 7 or 11 of the Securities Act of 1933.



                                                 /s/ ERNST & YOUNG LLP

                                                     ERNST & YOUNG LLP

Stamford, Connecticut