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A call for bids,〔Consular reports: Commerce, manufactures, etc, Issues 164-167. United States. Bureau of Foreign Commerce, United States. Dept. of Commerce and Labor G.P.O., 1894. (Pg 361 )〕 call for tenders,〔The Electrical Journal, Volume 58. 1907 (Pg 826 )〕 or invitation to tender〔Invitation to tender, information for bidders, contract, specifications, bond and contractors' proposal, Issue 1. Delaware Bridge Joint Commission of the States of Pennsylvania and New Jersey Enterprise Pub. Co., 1921〕 (ITT, often called tender for short) is a special procedure for generating competing offers from different bidders looking to obtain an award of business activity in works, supply, or service contracts. They are usually preceded by a pre-qualification questionnaire (PQQ). ==Types of calls for tenders== Open tenders, open calls for tenders, or advertised tenders are open to all vendors or contractors who can guarantee performance. Restricted tenders, restricted calls for tenders, or invited tenders are only open to selected prequalified vendors or contractors. This may be a two-stage process, the first stage of which produces a short list of suitable vendors. The reasons for restricted tenders differ in scope and purpose. They are called because: * There is essentially only one suitable supplier of the services or product * There are confidentiality issues such as military contracts * There are reasons for expedience such as emergency situations * There is a need to weed out tenderers who do not have the financial or technical capabilities to fulfill the requirements 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Call for bids」の詳細全文を読む スポンサード リンク
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