ECOWAS Tenders Code 10 Article 18: Disqualification of Bidders Section II: Qualification of Candidates and Bidders 11 Article 19: Technical and Financial Qualifications 11 Article 20: Certificate of Classification 12 Article 21: Registration of Enterprises 12 Chapter V: Subcontracting and Group Contracts 12 Article 22: Subcontracting 12 Article 23: Group Contracts 12 Part II: Procurement Proceedings 13 Chapter I: Procurement Planning 13 Article 24: Procurement Plan 13 Article 25: Identification of Needs 13 14 Article 26: Allotment Chapter II: Methods of Procurement Section I: General Provisions 14 14 Article 27: Methods of Procurement 14 Article 28: Language and Currency 14 Article 29: Advertisements 15 Article 30: Selection Process applicable to public goods qnd works contracts 15 Article 31: Open Call for tender without Prequalification 15 Article 32: Submission of Bids 16 Article 33: Opening of Bids 16 Article 34: Evaluation of Bids 17 Article 35: Information to Bidders 17 Article 36: Bid Validity 17 Article 37: Period of Signing the Contract 17 FINAL Page iii