Article 28 Delayed payments  28.2 By derogation from Article 28.2 of the general conditions, once the deadline  laid down in Article 26.3 has expired, the contractor shall, upon demand, be  entitled to late-payment interest at the rate and for the period mentioned in the  general conditions. The demand must be submitted within two months of  receiving late payment.  29.3 The packaging shall remain the property of the contractor subject to  environmental considerations. 29.5/6/7  The documents which have to accompany the delivery include:  a) A detailed packing list identifying the contents of each package.  b) Usual transport document (e.g. bill of lading, airway bill/CMR/seaway bill,  commercial invoice, packaging list, insurance proof/certificate, delivery notes  (as applicable)) which includes the name and address of the consignor and  consignee, the description of the goods to be transported, the quantity for each  of the commodities, and the commodity class and rate.  c) Technical documentation/operating instructions and all necessary documents  such as operating and maintenance manuals, drawings, material certificates,  conformity certificates, test certificates, certificates of origin, as specified in the  Technical Specifications (Annex II).  d) Statement drawn up by the Contractor which must attest that the delivered  goods are new, in working order and compliant with all technical specifications  of the Tender dossier. This statement must use the following wording:  “<Full official name of Contractor> attests that the delivered goods are new, in  working order and compliant with all technical specifications of the Tender  dossier.”  A copy of signed Statement must be provided to the Contracting Authority.  Each case/package shall be clearly marked on the sides with “Handle with  care”, “Right side up”, etc. together with international symbols according to the  different characteristics and requirements for transportation, loading, unloading  of the supplies if necessary. In case packing includes waterproof barriers,  packages shall bear the mention: “DO NOT OPEN – WATERPROOF  BARRIER/ LÜTFEN AÇMAYINIZ – SU YALITIM BARİYERİ” in red  characters.  Packages shall identify, through respective markings on the outside and/or  possibly in conjunction with an accompanying packing slip, the content of the  package. A packing slip in the inside of the package shall identify the content of  the package.  August 2020 c4d_specialconditions_en.doc  Page 5 of 7  Article 29 Delivery 