Revised bidding documents as indicated in Para 1 above are attached to this IFB Amendment 4 as Attachment 2 and replace the original versions in their entirety. Some answers to Bidders’ further requests for clarification have necessitated changes to the IFB bidding documents. The period for submission of requests for clarification as stated in IFB Book I, Para 2.6.2 remains closed. Final NCI Agency answers to all Bidders’ further requests for clarification resulting from the clarifications or changes made at IFB Amendment 3 are hereby published with this IFB Amendment 4 as Attachment 1. TO: “All Bids shall be in the possession of the Purchaser at the address given below in paragraph 2.3.2 before 12:00 hours (Brussels Time) on 19 OCTOBER 2016 at which time and date bidding shall be closed. In accordance with the Procedures for International Competitive Bidding AC/4D/2261 (1996 Edition), paragraph 10 (d), sub-paragraph (iii) (1), the Book I, Part I, Bidding Instructions, Section 2, General Bidding Information, Para 2.3.1, is hereby revised as follows: FROM: “All Bids shall be in the possession of the Purchaser at the address given below in paragraph 2.3.2 before 12:00 hours (Brussels Time) on 28 SEPTEMBER 2016 at which time and date bidding shall be closed. The purpose of this Amendment 4 is to: a) Revise the IFB Bid Closing Date, b) Publish Round 4 of IFB Bidders’ questions and NCI Agency answers, c) Issue revised IFB documents (Book I + Book II), 2. 4 PROVIDE ENTERPRISE NATO PUBLIC-KEY INFRASTRUCTURE (E-NPKI)ĪC/4-D/2261 (1996 Edition) NCI AGENCY IFB-CO-13810-CS issued 20 April 2016 NCI AGENCY IFB-CO-13810-CS AMD 1 issued 15 June 2016 NCI AGENCY IFB-CO-13810-CS AMD 2 issued 28 July 2016 NCI AGENCY IFB-CO-13810-CS AMD 3 issued 31 August 2016ĭear Sir / Madam, 1. NATO UNCLASSIFIED Acquisition Directorate Tel: