PRG-Schultz International, Inc. 2300 Windy Ridge Parkway Suite 100 North Tower Atlanta, GA 30339-8426

                                                                    Exhibit 99.9


                         PRG-Xxxxxxx International, Inc.
                            0000 Xxxxx Xxxxx Xxxxxxx
                              Xxxxx 000 Xxxxx Xxxxx
                             Xxxxxxx, XX 00000-0000

                                                        August 16, 2002


Berkshire Fund V Investment Corp. and
Berkshire Investors LLC
c/o Berkshire Partners LLC
Xxx Xxxxxx Xxxxx
Xxxxxx, XX 00000-0000

     Re:  Execution of Closing Documents
          ------------------------------

Ladies and Gentlemen:

     This letter will confirm our understanding that, in connection with the
Stock Purchase Agreement, dated as of August 16, 2002, made between Berkshire
Fund V Investment Corp., Berkshire Investors LLC, and the individuals identified
therein as Sellers (the "STOCK PURCHASE AGREEMENT"), PRG-Xxxxxxx International,
Inc. ("PRG") hereby agrees to execute at the date of the Closing under the Stock
Purchase Agreement (the "CLOSING DATE") the documents set forth below, PROVIDED,
that they are each in the form of the applicable exhibit to the Stock Purchase
Agreement and that all of the conditions to Closing in the Stock Purchase
Agreement have been satisfied or, if waived, PRG shall have consented to such
waiver:

     1.   The Investor Rights Agreement to be made as of the Closing Date, by
          and among PRG, Berkshire Fund V Investment Corp., Berkshire Investors
          LLC, and Xxxx Strategic Partners II, L.P.;

     2.   The Registration Rights Agreement to be made as of the Closing Date,
          by and between PRG, Berkshire Fund V Investment Corp., and Berkshire
          Investors LLC;

     3.   The Subordination Agreement to be made as of the Closing Date, by and
          among PRG, Berkshire Fund V Investment Corp., and Berkshire Investors
          LLC;

     4.   The Consent and Amendment Agreement, dated August 16, 2002, by and
          among PRG, Xxxxxx Xxxxxxx & Associates International, Inc., the
          Sellers, Xxxx X. Xxxx, and Xxxx X. Xxxx; and

     5.   The Management Rights Letter addressed from PRG to the Berkshire
          entities.


                            [SIGNATURE PAGE FOLLOWS]

August 16, 2002
Page 2

                                     Very truly yours,

                                     PRG-Xxxxxxx International, Inc.


                                     By: /s/ Xxxxxxx XxXxxxxx, Xx.
                                         ---------------------------------------
                                     Name: Xxxxxxx XxXxxxxx, Xx.
                                     Title: Senior Vice President, General
                                            Counsel and Secretary