or prolonging discriminatory measures and practices which distort open procurement and shall, in the context of negotiations under subparagraph (b), seek to eliminate those which remain on the date of entry into force of this Agreement.8. Information TechnologyWith a view to ensuring that the Agreement does not constitute an unnecessary obstacle to technical progress, Parties shall consult regularly in the Committee regarding developments in the use of information technology in government procurement and shall, if necessary, negotiate modifications to the Agreement. These consultations shall in particular aim to ensure that the use of information technology promotes the aims of open, non-discriminatory and efficient government procurement through transparent procedures, that contracts covered under the Agreement are clearly identified and that all available information relating to a particular contract can be identified. When a Party intends to innovate, it shall endeavour to take into account the views expressed by other Parties regarding any potential problems.9. AmendmentsParties may amend this Agreement having regard inter alia to the experience gained in its implementation. Such an amendment, once the Parties have concurred in accordance with the procedures established by the Committee, shall not enter into force for any Party until it has been accepted by such Party.10. Withdrawal(a) Any Party may withdraw from this Agreement. The withdrawal shall take effect upon the expiration of 60 days from the date on which written notice of withdrawal is received by the Director-General of the WTO. Any Party may upon such notification request an immediate meeting of the Committee.(b) If a Party to this Agreement does not become a Member of the WTO within one year of the date of entry into force of the WTO Agreement or ceases to be a Member of the WTO, it shall cease to be a Party to this Agreement with effect from the same date.11. Non-application of this Agreement between Particular PartiesThis Agreement shall not apply as between any two Parties if either of the Parties, at the time either accepts or accedes to this Agreement, does not consent to such application.12. Notes, Appendices and AnnexesThe Notes, Appendices and Annexes to this Agreement constitute an integral part thereof.13. SecretariatThis Agreement shall be serviced by the WTO Secretariat.14. DepositThis Agreement shall be deposited with the Director-General of the WTO, who shall promptly furnish to each Party a certified true copy of this Agreement, of each rectification or modification thereto pursuant to paragraph 6 and of each amendment thereto pursuant to paragraph 9, and a notification of each acceptance thereof or accession thereto pursuant to paragraphs 1 and 2 and of each withdrawal therefrom pursuant to paragraph 10 of this Article.15. RegistrationThis Agreement shall be registered in accordance with the provisions of Article 102 of the Charter of the United Nations.Done at Marrakesh this fifteenth day of April one thousand nine hundred and ninety-four in a single copy, in the English, French and Spanish languages, each text being authentic, except as otherwise specified with respect to the Appendices hereto.NOTES The Terms 'country' or 'countries' as used in this Agreement, including the Appendices, are to be understood to include any separate customs territory Party to this Agreement.In the case of a separate customs territory Party to this Agreement, where an expression in this Agreement is qualified by the term 'national', such expression shall be read as pertaining to that customs territory, unless otherwise specified.Article 1, paragraph 1Having regard to general policy considerations relating to tied aid, including the objective of developing countries with respect to the untying of such aid, this Agreement does not apply to procurement made in furtherance of tied aid to developing countries so long as it is practised by Parties.(1) For each Party, Appendix I is divided into five Annexes:- Annex 1 contains central government entities.- Annex 2 contains sub-central government entities.- Annex 3 contains all other entities that procure in accordance with the provisions of this Agreement.- Annex 4 specifies services, whether listed positively or negatively, covered by this Agreement.- Annex 5 specifies covered construction services.Relevant thresholds are specified in each Party's Annexes.(2) This Agreement shall apply to any procurement contract for which the contract value is estimated to equal or exceed the threshold at the time of publication of the notice in accordance with Article IX.(3) For the purpose of this Agreement, a technical regulation is a document which lays down characteristics of a product or a service or their related processes and production methods, including the applicable administrative provisions, with which compliance is mandatory. It may also include or deal exclusively with terminology, symbols, packaging, marking or labelling requirements as they apply to a product, service, process or production method.(4) For the purpose of this Agreement, a standard is a document approved by a recognized body, that provides, for common and repeated use, rules, guidelines or characteristics for products or services or related processes and production methods, with which compliance is not mandatory. It may also include or deal exclusively with terminology, symbols, packaging, marking or labelling requirements as they apply to a product, service, process or production