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General Conditions of ESO Contracts

General Conditions of ESO Contracts

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<strong>ESO</strong> - EUROPEAN ORGANISATION FOR ASTRONOMICAL RESEARCH IN THE SOUTHERN HEMISPHERE<strong>General</strong> <strong>Conditions</strong> <strong>of</strong> <strong>ESO</strong> <strong>Contracts</strong>19. Price RevisionsPrice revisions, if applicable, shall not be effective beyond the contractual time limits if the delay isdue to the contractor. The indices used in the price revision formulae must be those <strong>of</strong> <strong>of</strong>ficialgovernment publications. Information from private sources shall be accepted only when such<strong>of</strong>ficial sources are not available. The consequences <strong>of</strong> applying price revision formulae shall inany case be limited to the increase in prices which has effectively taken place.20. Payments20.1 No payment shall be effected without receipt <strong>of</strong> an invoice drawn up in the form prescribed in thecontract and accompanied by all relevant supporting documents.20.2 Provided that the invoice has been accepted, payments shall be effected within thirty daysfollowing receipt <strong>of</strong> the invoice in the form and under the conditions laid down in the contract.20.3 Final payment for supplies shall be made only after acceptance by <strong>ESO</strong>.21. Miscellaneous Financial Provisions21.1 No advance shall be paid unless the contractor has obtained from a bank approved by <strong>ESO</strong> a jointand several banker's guarantee in <strong>ESO</strong>'s favour for an amount equal to the sum demanded from<strong>ESO</strong>. Payment may be effected by instalments for each completed part <strong>of</strong> the contract.21.2 Up to the final acceptance, <strong>ESO</strong> may withhold the payment <strong>of</strong> up to ten per cent <strong>of</strong> the contractprice as security; this security may also be provided by a joint and several banker's guarantee forthe same duration and amount.V. SAFETY22. Contractor's ObligationsIn addition to observing all relevant national legislation in safety and health matters, the contractorshall, when on the <strong>ESO</strong> site, comply with the safety regulations in force thereon, with which he isrequired to become conversant. He shall take all necessary measures to this effect. Theseobligations shall be taken into account by the contractor when drawing up his tenders andperforming the contract.VI.INTELLECTUAL PROPERTY AND PATENT RIGHTS23. Intellectual Property23.1 No publication, communication or use <strong>of</strong> any piece <strong>of</strong> knowledge which is acquired from <strong>ESO</strong> inrelation to an <strong>ESO</strong> contract and which is patentable or may be considered intellectual propertyshall be made without prior agreement in writing between the parties.23.2a By accepting a purchase order or contract, the contractor agrees and accepts that <strong>ESO</strong> will havean irrevocable and unrestricted right, free <strong>of</strong> any charge, to use, copy and disseminate anyinformation supplied by the contractor in satisfaction <strong>of</strong> the requirements <strong>of</strong> the contract, with duerespect to the existence <strong>of</strong> any copyright therein.<strong>ESO</strong> is entitled to transfer the data to universities and similar scientific institutes working in thesame field as <strong>ESO</strong> in the Member States <strong>of</strong> the Organisation.<strong>ESO</strong> and the above-mentioned institutes have the right, for their own requirements in the field <strong>of</strong>scientific research and its application to– use the data in question free <strong>of</strong> charge,– allow the data in question to be used, free <strong>of</strong> charge, by third parties for these purposes.23.2b The same applies to information identified to be <strong>of</strong> a proprietary nature; such information shall,however, only be disseminated– 8/12 –

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