Architect-Engineer Services

THIS SOURCES SOUGHT NOTICE IS AMENDED TO EXTEND THE DUE DATE FOR RESPONSES TO SEPTEMBER 12, 2011:3:00 PM EST. It is anticipated that prior to the expiration date for responses that clarifications to inquiries received concerning the contents of this notice and the Government's requirements will be provided via an amendment to this notice. RESPONSES MUST INCLUDE: Hard Copy:1 Original dated and signed by a company official) and 4 Duplicate-Hard Copies of Original-Hard Copy. RESPONSES MUST BE SUBMITTED AS FOLLOWS: Responses must be clearly marked on the outside cover with - Number D1D901REA37000 and must be received by 3:00 PM Eastern Time, September 12, 2011 at the following address: Internal Revenue Service ATTN: Edith Benton, (OS:A:P:B:A:A), One Constellation Centre, 6009 Oxon Hill Road, 5th Floor, Oxon Hill, MD 20745. NO ORAL COMMUNICATION WILL BE ACCEPTED. RESPONSES - MUST INCLUDE AND RESPONSES - MUST BE SUBMITTED INFORMATION AND INSTRUCTION FOR PREPARATION AND SUBMITTAL OF CAPABILITIES STATEMENT SHALL BE FOLLOWED AS STATED IN THIS NOTICE FOR THE CAPABILITIES STATEMENT TO BE ACCEPTABLE.