65．4除本條以下關於戰爭爆發的規定外，業主應償還承包人因上述特定風險而發生的 任何施工額外或附加費用，在任何特定風險發生前按契約第39條視為不適用的工程的重建費不在此列，承包人一旦知道此種費用增加，必須立即書面通知工程師。
（5）the special risks are war，hostilities（whether war be declared or not），invasion，act of foreign enemies，the nuclear and pressure-waves risk described in clause 20（2）hereof，or insofar as it relates to the country in which the works are being or are to be executed or maintained，rebellion，revolution，insurrection，military or usurped power，civil war，or，unless solely restricted to the employees of the contractor or of his sub-contractors and arising from the conduct of the works，riot，commotion or disorder．
65．5特定風險指戰爭、戰爭狀態（不論宣戰予否）、侵略、外國敵對行為、本契約第20條第2款規定的核危險和聲波風險、或與正在或即將施工或維修的工程所在地國有關的反叛、革命、暴動、軍事政變、篡權、內戰，或（只是由承包人或其轉包人的雇員和因施工引起的除外）騷亂、動亂或混亂。
（6）if，during the currency of the contract，there shall be an outbreak of war，whether war is declared or not，in any part of the world which，whether financially or otherwise，materially affects the execution of the works，the contractor shall，unless and until the contract is terminated under the provisions of this clause，continue to use his best endeavors to complete the execution of the works．provided always that the employer shall be entitled at any time after such outbreak of war to terminate the contract by giving written notice to the contractor and， upon such notice being given，this contract shall，except as to the rights of the parties under this clause and to the operation of clause 67 hereof，terminate，but without prejudice to the rights of either party in respect of any antecedent breach thereof．
65．6在契約執行時，如世界任何地方爆發戰爭，無論宣戰與否，是否在財政或其他方面對工程造成了重大影響，除非和在本契約按本條款規定終止前，承包人應繼續盡力完成工程。業主在戰爭爆發後隨時有權書面通知承包人終止契約，一旦此種通知發出，除本條所規定的雙方權利和第67條的規定外，契約應當終止，但不得損害任何一方與以前任何違約有關的一切權利。
（7）if the contract shall be terminated under the provisions of the last preceding sub-clause， the contractor shall，with all reasonable dispatch，remove from the site all constructional plant
and shall give similar facilities to his sub-contractors to do so．