WORLD TRADE ORGANIZATION  
ORGANISATION MONDIALE DU COMMERCE  
ORGANIZACIÓN MUNDIAL DEL COMERCIO  
 
Centre William Rappard    Rue de Lausanne 154    Case postale    CH - 1211 Genève 21 
 Téléphone:  (+41 22) 739 51 11    Fax:  (+41 22) 731 42 06 
Internet:  http://www.wto.org 
  
 
 
 
Reference:    WLI/100             17 November 2008 
 
 
  
 
  
 
  
AGREEMENT ON GOVERNMENT PROCUREMENT 
DONE AT MARRAKESH ON 15 APRIL 1994 
 
CERTIFICATION OF MODIFICATION TO THE AGREEMENT 
 
TRANSMISSION OF CERTIFIED TR UE COPY OF REPLACEMENT PAGE
 
IN THE LOOSE-LEAF SYSTEM  FOR APPENDICES CONTAINING  
THE CERTIFIED MODIFICATION TO THE AGREEMENT  
 
 
 I have the honour to furnish herewith a certifi ed true copy of replacement page 4/6 of Annex 2 
of Appendix I containing the certified modification. 
  The modification concerns the  United States  and is effective as of 6 November 2008 . 
 
  
 
  
 
  
 
  
   Pascal Lamy 
   Director-General 
 
 
  
 
 
 
  
 
  
 
  
0 8 - 5 4 9 2           W T / L e t / 6 3 5   
  
 
 
AGREEMENT ON GOVERNMENT PROCUREMENT 
DONE AT MARRAKESH ON 15 APRIL 1994 
 
CERTIFICATION OF MODIFICATIONS TO THE AGREEMENT 
  
 It is hereby certified that the modification to Appendix I, Annex 2 of the Agreement on 
Government Procurement (1994) concerning the  United States  which was notified to the Committee 
on Government Procurement ( GPA/MOD/USA/6 ) pursuant to the procedures of Article XXIV:6 
became effective as of 6 November 2008 . 
 
 Pursuant to the Decision of the Commi ttee on Government Procurement adopted on 
4 June 1996 regarding the establishment of a loose-le af system with legal effect to periodically update 
the Appendices to the Agreement on Government  Procurement (GPA/M/2) and procedures with 
respect to the modifications to the loose-leaf syst em (GPA/M/5), this modification is contained in the 
attached replacement page to the loose-leaf sy stem.  Accordingly, the attached page replaces 
page 4/6 of Annex 2 to Appendix I of the  United States in the Loose-Leaf System of Appendices in 
conformity with the afore-mentioned Decisions.  
 This notification is furnished in accordance with paragraph 14 of Article XXIV of the 
Agreement.  
 This Certification is deposited with the Dire ctor-General of the Worl d Trade Organization, who 
shall promptly furnish a certified true copy to  each party to the Agreement on Government 
Procurement.  It shall be registered in accordance wi th the provisions of Article 102 of the Charter of 
the United Nations. 
 
 Done at Geneva this ninth day of November, two thousand and eight. 
  
 
  
 
  Pascal Lamy 
 
  
Certified true copy: 
  
 
  
 
 Director-General 
  
  
APPENDIX I UNITED STATES  ANNEX 2 Page 4/6
 
6 November 2008 (WT/Let/635) New Hampshire * 
 
Central Procurement Agency 
 Oklahoma
* 
 Department of Central Services and all state agencies and departments subject to the Oklahoma Central 
Purchasing Act, excluding construction services. 
 Oregon
 
 Department of Administrative Services  
Pennsylvania
* 
 Executive branch agencies, including:  Governor's Office 
Department of the Auditor General 
Treasury Department Department of Agriculture Department of Banking Pennsylvania Securities Commission 
Department of Health 
Department of Transportation Insurance Department Department of Aging Department of Correction Department of Labor and Industry 
Department of Military Affairs 
Office of Attorney General Department of General Services Department of Education Public Utility Commission 
Department of Revenue 
Department of State Pennsylvania State Police Department of Public Welfare Fish Commission Game Commission 
Department of Commerce 
Board of Probation and Parole Liquor Control Board Milk Marketing Board Lieutenant Governor's Office 
Department of Community Affairs 
Pennsylvania Historical and Museum Commission Pennsylvania Emergency Management Agency State Civil Service Commission   
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