deadline and the date on which the contracting authority's account is debited. However,  when the interest calculated in accordance with the first subparagraph is lower than or  equal to EUR 200, it shall be paid to the creditor only upon a demand submitted within  two months of receiving late payment.  28.3. Any default in payment of more than 90 days from the expiry of the period laid down in  Article 26.3 shall entitle the contractor either not to perform the contract or to terminate  it, according to Article 37. 29.1. The contractor shall deliver the supplies in accordance with the conditions of the contract.  The supplies shall be at the risk of the contractor until their final acceptance.  29.2. The contractor shall provide such packaging of supplies as is required to prevent their  damage or deterioration in transit to their destination as indicated in the contract. The  packaging shall be sufficient to withstand, without limitation, rough handling, exposure to  extreme temperatures, salt and precipitation during transit and open storage. Package size  and weight shall take into consideration, where appropriate, the remoteness of the final  destination of the supplies, and the possible absence of heavy handling facilities at all  points in transit.  29.3. The packaging, marking and documentation inside and outside the packages shall comply  with such requirements as shall be expressly provided for in the special conditions,  subject to any amendments subsequently ordered by the project manager or the  contracting authority.  29.4. No supplies shall be shipped or delivered to the place of acceptance until the contractor  has received a delivery order from the project manager. The contractor shall be  responsible for the delivery at the place of acceptance of all supplies and supplier's  equipment required for the purpose of the contract. 29.5. Each delivery must be accompanied by a statement drawn up by the contractor. This  statement shall be as specified in the special conditions.  29.6. Each package shall be clearly marked in accordance with the special conditions.  29.7. Delivery shall be deemed to have been made when there is written evidence available to  both parties that delivery of the supplies has taken place in accordance with the terms of  the contract, and the invoice(s) and all such other documentation specified in the special  conditions, have been submitted to the contracting authority. Where the supplies are  delivered to an establishment of the contracting authority, the latter shall bear the  responsibility of bailee, in accordance with the requirements of the law applicable to the  contract, during the time which elapses between delivery for storage and acceptance.  30.1. The supplies shall not be accepted until the prescribed verifications and tests have been  carried out at the expense of the contractor. The verifications and tests may be conducted  before shipment, at the point of delivery and/or at the final destination of the goods.  Article 30 -  Verification operations  Article 29 -  Delivery  ACCEPTANCE AND MAINTENANCE  August 2020 c4e_annexigc_en  Page 24 of 36 