certificates and payment
證書和付款
60．（1）unless otherwise provided， payment shall be made at monthly intervals in accordance with the conditions set out in part ii in the clause numbered 60．
60．1除另有規定外，付款應按第二部分第60條的規定，分月進行。
（2）where advances are to be made by the employer to the contractor in respect of constructional plant and materials，the conditions of payment and repayment shall be as set out in part ii in the clause numbered 60．
60．2如業主向承包人預付有關建築設備和材料的款項，付款和還款的條件應在第二部分第60條中予以規定。
（3）if the execution of the works shall necessitate the importation of materials，plant or equipment from a country other than that in which the works are being executed，or if the works or any part thereof are to be executed by labor imported from any other such country，or if any other circumstances shall render it necessary or desirable，a proportion of the payments to be made under the contract shall be made in the appropriate foreign currencies and in accordance with the provisions of clause 72 hereof．the conditions under which such payments are to be made shall be as set out in part ii in the clause numbered 60．
60．3如因施工需從施工所在地國的他國進口材料、設備，或因工程或任何部分工程需由此種他國輸入的勞務完成，或因任何其他情況必需或必要，契約項下的某部分付款需按本契約第72條的規定用有關外匯進行支付，支付條件應按契約第二部分第60條的規定處理。
61．no certificate other than the maintenance certificate referred to in clause 62 hereof shall be deemed to constitute approval of the works．
61．除本契約第62條所述的維修證書外，任何證書不得視為是對工程的認可。
62．（1）the contract shall not be considered as completed until a maintenance certificate shall have been signed by the engineer and delivered to the employer stating that the works have been completed and maintained to his satisfaction．the maintenance certificate shall be given by the engineer within days after the expiration of the period of maintenance，or，ifdifferent periods of maintenance shall become applicable to different sections or parts of the works，the expiration of the latest such period，or as～thereafter as any works ordered during such period，pursuant to clause 49 and 50 hereof，shall have been completed to the satisfaction of the engineer and full effect shall be given to this clause，notwithstanding any previous entry on the works or the taking possession，working or using thereof or any part thereof by the employer．provided always that the issue of the maintenance certificate shall not be a condition precedent to payment to the contractor of the second portion of the retention money in accordance with the conditions set out in part ii in the clause numbered 60．