## Article 20 - Extension of period of implementation of the tasks 

20.1. The contractor may request an extension to the period of implementation of the tasks if it is or will be delayed in completing the contract by any of the following reasons: 

a) exceptional weather conditions in the country of the contracting authority which may affect installation or erection of the supplies; 

b) artificial obstructions or physical conditions which may affect delivery of the supplies, which could not reasonably have been foreseen by an experienced contractor; 

c) administrative orders affecting the date of completion other than those arising from the contractor's default; 

d) failure of the contracting authority to fulfil its obligations under the contract; 

e) any suspension of the delivery and/or installation of the supplies which is not due to the contractor's default; 

f) force majeure; 

g) extra or additional supplies ordered by the contracting authority; 

h) any other causes referred to in these general conditions which are not due to the contractor's default. 

20.2. If the contractor considers himself to be entitled to any extension of the period of implementation under the contract, the contractor shall 

a) give notice to the project manager of its intention to make such a request no later than 15 days after the contractor became aware, or should have become aware of the event or circumstance giving rise to the request. 

b) If the contractor fails to give notice of a request for extension of the period of implementation within such period of 15 days, the period of implementation shall not be extended and the contracting authority shall be discharged from all liability in connection with the request; and 

c) submit to the project manager full and detailed particulars of the request, within 30 days from the above notification unless otherwise agreed between the contractor and the supervisor, in order that such request may be investigated at the time. 

20.3. Within 30 days from the receipt of the contractor's detailed particulars of the request, the project manager shall in agreement with the contracting authority, by notice to the contractor, grant such extension of the period of implementation of the tasks as may be justified, either prospectively or retrospectively, or inform the contractor that it is not entitled to an extension. 

## Article 21 - Delays in implementation of the tasks 

21.1. If the contractor fails to deliver any or all of the goods or perform the services within the period of implementation of the tasks specified in the contract, the contracting authority shall, without formal notice and without prejudice to its other remedies under the contract, be entitled to liquidated damages for every day, or part thereof, which shall elapse between the end of the period of implementation of the tasks, or extended period of implementation of the tasks under article 20, and the actual date of completion. The daily rate of liquidated damages is 5/1000 of the value of the undelivered supplies to a maximum of 15% of the total contract price. 

