certificates showing that the contractor's obligations relating to insurance are fully  respected.  $^{1}$ See http://www.iccwbo.org/incoterms/  August 2020 c4d_specialconditions_en.doc  Page 3 of 6  25.2  The representatives of both, the Contracting Authority and Final Beneficiary,  shall be entitled to inspect, examine measure and test the components, materials  and workmanship, and check the progress of preparation, fabrication or  manufacture of anything being prepared, fabricated or manufactured for  19.1 The period of implementation of tasks is: (a) 195 calendar days for Lot 1 and 5; (b) 165 calendar days for Lots 2, 3, 7, 8, 9, 10, 11, 12, 13, 14 and 15; (c) 75 calendar days for Lots 4 and 6  starting from the date stipulated in the Commencement Order and ending on the  date of issuance of the Provisional Acceptance Certificate. 18.1  The contracting authority shall inform the contractor by administrative order of  the date on which implementation of the tasks shall begin.   Whatever the origin of the supplies, the contract shall be exempt from stamp  and registration duties.   For supplies to be imported into the country of the Contracting Authority, all  duties and taxes applicable to their importation, including VAT shall be  excluded.   For supplies manufactured locally, all internal fiscal charges applicable to  their manufacture, including VAT, shall be excluded.  16.1  The contract shall be exempt from all duties and taxes, including VAT. Detailed  instructions on procedures to be followed will be provided to the Contractor.  DDP - Delivered Duty Paid :  Incoterm which imposes on the seller maximum  obligations vis-à-vis transportation and loss risks and damage associated with  the goods:  12.2(b), paragraph 2 In the case of use of Incoterms, the contractor shall provide transport  insurance to the extent that it assumes transportation risks. The question of the extent  of the risks assumed by the contractor (seller) depends in particular on the Incoterms  used:  Article 16 Tax and customs arrangements  Article 18 Commencement order Article 19 Period of implementation of the tasks  Article 25 Inspection and testing  ‘the seller delivers the goods when the goods are placed at the disposal of the  buyer, cleared for import on the arriving means of transport ready for  unloading at the named place of destination. The seller bears all the costs and  risks involved in bringing the goods to the place of destination and has an  obligation to clear the goods not only for export but also for import, to pay any  duty for both export and import and to carry out all customs formalities.’$^{1}$  The  transfer of risks and costs occurs at the place of unloading of the goods at the  agreed place of destination. 