EXHIBIT 4.5 Generation Capital Associates 1085 Riverside Trace Atlanta, GA 30328 Tel 404/303-8450 Fax 404/255-2218 Via Fax: 803-736-7735 January 13, 2004 Mr. George E. Mendenhall CEO Integrated Business Systems and Services, Inc. 1601 Shop Road -...

                                                                     EXHIBIT 4.5

                          Generation Capital Associates
                              0000 Xxxxxxxxx Xxxxx
                                Xxxxxxx, XX 00000
                        Tel 404/000-0000 Fax 404/000-0000

Via Fax: 000-000-0000

January 13, 2004

Xx. Xxxxxx X. Xxxxxxxxxx
CEO
Integrated Business Systems and Services, Inc.
0000 Xxxx Xxxx - Xxxxx X
Xxxxxxxx, XX 00000

Re: December 24, 2003 Securities Purchase Agreement

Dear Xxxxxx:

This is to confirm that we have agreed that the Closing Date as defined in
Section 10 (c) of the above referenced purchase agreement is January 6, 2004.
Accordingly, the 30-day period to file the GCA Registration Statement, and the
120-day period for the GCA Registration Statement to become effective, are
February 5, 2004 and May 5th , 2004, respectively.

Sicnerely,

/s/ Xxxxx X. Xxxxxxxx
-------------------------
Xxxxx. X. Xxxxxxxx
Executive Vice President
And General Counsel

cc: Xxxxxx Xxxxx