it becomes necessary to amend or re-issue the notice, the amendment or the re-issued notice shall be given the same circulation as the original documents upon which the amendment is based. Any significant information given to one supplier with respect to a particular intended procurement shall be given simultaneously to all other suppliers concerned in adequate time to permit the suppliers to consider such information and to respond to it.11. Entities shall make clear, in the notices referred to in this Article or in the publication in which the notices appear, that the procurement is covered by the Agreement.Article XSelection Procedures1. To ensure optimum effective international competition under selective tendering procedures, entities shall, for each intended procurement, invite tenders from the maximum number of domestic suppliers and suppliers of other Parties, consistent with the efficient operation of the procurement system. They shall select the suppliers to participate in the procedure in a fair and non-discriminatory manner.2. Entities maintaining permanent lists of qualified suppliers may select suppliers to be invited to tender from among those listed. Any selection shall allow for equitable opportunities for suppliers on the lists.3. Suppliers requesting to participate in a particular intended procurement shall be permitted to submit a tender and be considered, provided, in the case of those not yet qualified, there is sufficient time to complete the qualification procedure under Articles VIII and IX. The number of additional suppliers permitted to participate shall be limited only by the efficient operation of the procurement system.4. Requests to participate in selective tendering procedures may be submitted by telex, telegram or facsimile.Article XITime-limits for Tendering and DeliveryGeneral 1. (a) Any prescribed time-limit shall be adequate to allow suppliers of other Parties as well as domestic suppliers to prepare and submit tenders before the closing of the tendering procedures. In determining any such time-limit, entities shall, consistent with their own reasonable needs, take into account such factors as the complexity of the intended procurement, the extent of sub-contracting anticipated and the normal time for transmitting tenders by mail from foreign as well as domestic points.(b) Each Party shall ensure that its entities shall take due account of publication delays when setting the final date for receipt of tenders or of applications to be invited to tender.Deadlines 2. Except in so far as provided in paragraph 3,(a) in open procedures, the period for the receipt of tenders shall not be less than 40 days from the date of publication referred to in paragraph 1 of Article IX;(b) in selective procedures not involving the use of a permanent list of qualified suppliers, the period for submitting an application to be invited to tender shall not be less than 25 days from the date of publication referred to in paragraph 1 of Article IX; the period for receipt of tenders shall in no case be less than 40 days from the date of issuance of the invitation to tender;(c) in selective procedures involving the use of a permanent list of qualified suppliers, the period for receipt of tenders shall not be less than 40 days from the date of the initial issuance of invitations to tender, whether or not the date of initial issuance of invitations to tender coincides with the date of the publication referred to in paragraph 1 of Article IX.3. The periods referred to in paragraph 2 may be reduced in the circumstances set out below:(a) if a separate notice has been published 40 days and not more than 12 months in advance and the notice contains at least:(i) as much of the information referred to in paragraph 6 of Article IX as is available;(ii) the information referred to in paragraph 8 of Article IX;(iii) a statement that interested suppliers should express their interest in the procurement to the entity; and(iv) a contact point with the entity from which further information may be obtained,the 40-day limit for receipt of tenders may be replaced by a period sufficiently long to enable responsive tendering, which, as a general rule, shall not be less than 24 days, but in any case not less than 10 days;(b) in the case of the second or subsequent publications dealing with contracts of a recurring nature within the meaning of paragraph 6 of Article IX, the 40-day limit for receipt of tenders may be reduced to not less than 24 days;(c) where a state of urgency duly substantiated by the entity renders impracticable the periods in question, the periods specified in paragraph 2 may be reduced but shall in no case be less than 10 days from the date of the publication referred to in paragraph 1 of Article IX; or(d) the period referred to in paragraph 2 (c) may, for procurements by entities listed in Annexes 2 and 3, be fixed by mutual agreement between the entity and the selected suppliers. In the absence of agreement, the entity may fix periods which shall be sufficiently long to enable responsive tendering and shall in any case not be less than 10 days.4. Consistent with the entity's own reasonable needs, any delivery date shall take into account such