16. VARIANT SOLUTIONS  SUBMISSION OF TENDERS  17. SEALING, MARKING AND SUBMITTING TENDERS  Mr. İsmail Raci Bayer (Director)  General Directorate of European Union and Foreign Relations  Ministry of Environment and Urbanization  Mr. İsmail Raci Bayer (Director)  General Directorate of European Union and Foreign Relations Investments  Ministry of Environment and Urbanization  Variant solutions will not be taken into consideration.  Participants may choose to submit their tender: (a) either by post or by courier service, in which case the evidence shall be constituted by the  postmark or the date of the deposit slip$^{3}$. In such case ,  the tender must be sent to the following  address:  Mustafa Kemal Mahallesi Eskişehir Devlet Yolu 9. Km No:278 Çankaya-Ankara / Turkey  (b) or by hand-delivery to the premises of the contracting authority by the participant in person or  by an agent, in which case the evidence shall be constituted by acknowledgment of receipt. If  tenders are hand delivered they should be delivered to the following address:  Mustafa Kemal Mahallesi Eskişehir Devlet Yolu 9. Km No:278 Çankaya-Ankara / Turkey  (09:30-17:30 hrs, Monday to Friday)  The contracting authority may, for reasons of administrative efficiency, reject any application or  tender submitted on time to the postal service but received, for any reason beyond the contracting  authority's control, after the effective date of approval of the short-list report or of the evaluation  report, if accepting applications or tenders that were submitted on time but arrived late would  considerably delay the evaluation procedure or jeopardise decisions already taken and notified.  $^{3}$ It is recommended to use registered mail in case the postmark would not be readable.  17.4  Tenders, including annexes and all supporting documents, must be submitted in a sealed  envelope bearing only:  (a) the above address;  (b) the reference code of this tender procedure, (i.e., NEAR/ANK/2021/EA-OP/0084);  17.1 The complete tender must be submitted in one original, clearly marked ‘original’ and 5 (five)  copies, clearly marked ‘copy’. In the event of any discrepancy between them, the original will  prevail. Tenderers are requested to provide an electronic copy of the Volume 4.  17.2  The technical and financial offers must be placed together in a sealed envelope. The envelopes  should then be placed in another sealed envelope/package, unless their volume requires a  separate submission for each lot.  17.3  All tenders must be sent to the contracting authority before the deadline set in the contract notice.  Page 16 of 23  August 2020 d4b_itt_en 