Department of the Treasury, Internal Revenue Service (IRS), National Office Procurement (A:P), 6009 Oxon Hill Road, Suite 700, Oxon Hill, MD, 20745

D -- DIGITAL TELECOMMUNICATIONS SWITCHING (DTS) SYSTEM SERVICES SOL TIRNO-00-R-00024 DUE 082900 POC Catia Ellsworth, Contract Specialist, Phone 202-283-1344, Fax 202-283-1532, Email catia.f.ellsworth@irs.gov-- Robert Bannerman, Contracting Officer, Phone 202-283-1223, Fax 202-283-1532, Email WEB: Visit this URL for the latest information about this, http://www2.eps.gov/cgi-bin/WebObjects/EPS?ACode=M&ProjID=TIRNO-00-R-00024&LocID=1764. E-MAIL: Catia Ellsworth, catia.f.ellsworth@irs.gov. Amendment No. 0006, August 15, 2000 Solicitation No. TIRNO-00-R-00024 (dated June 8, 2000) is hereby amended with Amendment 0006. The areas of the solicitation described below contain changes. Changes are highlighted. It is the offeror's responsibility to search the document for all changes. a. Section C: Changes occurred under paragraph C.2 -- Scope of Contract, page C 6; paragraph C.7 -- Systems Maintenance, Planning and Engineering, page C 28; paragraph C.9.2.3-Test and Acceptance Plan, page C 58; and paragraph C.9.4 -- Letter of Authorization, page C 60. Changes have been highlighted. b. Section E: Replace the entire Section E with the enclosed revised Section E. The entire Section E has been revised. c. Section G: Changes occurred in paragraph G.10 -- Letter of Authorization and have been highlighted. d. Section H: Add paragraph H.37 -- Notice to Commence Work to page H-21. Page H-21 has been revised to reflect the addition of the new paragraph. e. The proposal due date remains the same. Posted 08/15/00 (D-SN486169). (0228)

Loren Data Corp. http://www.ld.com (SYN# 0034 20000817\D-0003.SOL)

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