EXHIBIT 4.8
                                                                     -----------



                              CARNIVAL CORPORATION
             AUTHORIZATION FOR AUTOMATIC DIVIDEND REINVESTMENT PLAN

This authorization is made pursuant to the terms and conditions of the Carnival
Corporation Automatic Dividend Reinvestment Plan, as the same may from time to
time be amended (the "Plan"), for holders of shares of Carnival Corporation
common stock (the "Shares").

                       (Please mark either box one or two)

[_]  Full Dividend Reinvestment: I hereby authorize Carnival Corporation to
     pay to SunTrust Bank for my account all cash dividends payable to me on
     Shares now or hereafter registered in my name exactly as it appears on
     the books of Carnival Corporation's Transfer Agent.

[_]  Partial Dividend Reinvestment: I hereby Authorize Carnival Corporation to
     pay to SunTrust Bank for my account the cash dividends payable to me on
     __________ Shares now registered in my name exactly as it appears on the
     books of Carnival Corporation's Transfer Agent.


I hereby appoint SunTrust Bank as my agent, subject to terms and conditions of
the Plan, and authorize SunTrust Bank, as such agent, to (1) receive all such
cash dividends pursuant to the Plan, (2) use such funds to purchase full and
fractional Shares, (3) receive and hold for my account all such full and
fractional Shares purchased therewith and (4) otherwise act in accordance with
the Plan.

I acknowledge receipt of the brochure describing the Plan and agree to the terms
and conditions of the Plan as set forth therein.

                 (continued for signature(s) on reverse side)

This authorization and appointment is given with the understanding that I may
terminate the same at any time by so notifying in writing. THIS IS NOT A PROXY.

Please sign Authorization Card exactly as the registration appears on the face
of your stock certificate. All joint owners must sign.

Social Security or Tax Identification        Stockholder________________________
Number: _____________________________                          Signature

Date:   _____________________________        Print Name:________________________


Address:_____________________________        Stockholder________________________
                                                               Signature
        _____________________________        Print Name:________________________

        _____________________________

Area Code   Telephone Number

_____________________________________


                             (THIS IS NOT A PROXY)