【正文】 in the performance of this contract.3.　upon termination of this contract under this article and under article (_________)， the contractor shall be entitled to be paid:（1）that part of the contract price which is proportionate to engineering and services carried out， and　（2）that part of the contract price which is proportionate to the plant pleted but not delivered.article 18　force majeure1.　no party to this contract shall be liable to the other party for any failure of or delay in performance of its obligations hereof nor be deemed to be in breach of this contract， if such failure or delay has arisen from force majeure.2.　force majeure means circumstances and conditions beyond the control of either parties， that would render it impossible for either the owner or the contractor to fulfill their obligations under this contract， or delay such fulfillment. any of the following matters are considered force majeure.（1）war， hostilities， act of foreign enemy， invasion， warlike operations (whether war to be declared or not) or civil war。（2）mutiny， civil motion assuming the proportions of or amounting to a popular rising， military rising， insurrection， rebellion， revolution， military or usurped power， or any act of any person acting on behalf of or in connection with any organization with activities directed towards the overthrow by force of the government de jure or de facto， or to the influencing of it by terrorism or violence。（3）earthquake， flood， fire or other natural physical disaster。（4）denial of the use of all ports， airports， shipping services or other means of public transport。（5）trike or lock out or other industrial concerted action by workers， affecting the fulfillment of contractor39。s and subcontractors39。 obligations。（6）and other unforeseen circumstances beyond the control of the parties so affected rendering the fulfillment of their obligations impossible.3.　if either party to this contract is prevented or delayed from or in performing any of his obligations under this contract by force majeure， then he may notify the other party of the circumstances constituting the force majeure and of the obligation performance of which is thereby delayed or prevented and the party giving the notice shall thereupon be excused from the performance or punctual performance， as the case may be， of such obligation for so long as the circumstances of prevention or delay may continue.4.　if by virtue of the preceding subclause dither party shall be excused from the performance or punctual performance of any obligation for a continuous period of (_________) months， then either party may at any time thereafter terminate this contract by giving a written notice to the other party.article 19　assignment and subcontractors1.　the contractor shall have the right to subcontract this contract or any part thereof in accordance with his usual practice without relieving the contractor of the obligations of performing this contract.2.　neither party shall without the previous consent in writing of the other party assign or any part thereof to any third party， except in the case of a pany amalgamation or reconstruction， provided that such consent shall not be unreasonably withheld.article 20　publicitythe contractor shall obtain the owner39。s approval prior to making any publicity releases or public announcements relating to this contract.article 21　effective date of the contract1.　the effective date of this contract shall be the date after its execution when all the necessary approvals of the respective authorities have been obtained by the owner.2.　if the contract does not bee effective within（_________） days from the date of execution， it will be deemed void unless otherwise agreed between the parties.article 22　law and regulations1.　the contractor shall in all matters relating to the performance of this contract conform with all applicable laws， regulations and orders of central or local authorities.2.　the construction， validity and performance of this contract shall be governed in all respects in accordance with the laws of _________article 23　entire contract1.　this contract constitutes the entire agreement between the parties hereto and supersedes all prior negotiations， representations or agreements whether oral or in writing relative to the subject matter of this contract.2.　this contract shall be altered or supplemented only by mutual consent in writing between the owner and the contractor.article 24　language of the contractthis contract was drafted in english language and the english text of this contract shall be valid and binding upon the parties hereto.article 25　notices1.　every notice， consent， instruction， order or decision given under this contract shall be given or made in writing and either personally served on an officer of the party to whom it is given or airmailed postprepaid or sent by telegram， telex or cable subsequently confirmed by letter， addressed as follows: to:the owner (address) _________to: the contractor (address) _________.2.　notices， consents， requests and other documents shall be deemed delivered or given， if mailed to an overseas destination， on the (_________) th day after the date of mailing and， if mailed to a domestic destination， the (_________) th day after the date of mailing. notices， consents or requests sent by telegram， telex or cable shall be deemed delivered or given on the day they are despatched.3.　any notice， consent， instruction， or decision given under this article shall be signed on behalf of either party by any duly authorised representative of that party. either of the parties may change his address for receipt of notices， instructions or decisions and other documents at any time by giving notice thereof in writing to the other party.the owner (signature):_________the contractor(signature):_________date:_________ date:_________