民用工程合同书(30)

26　certification of completion of works
　　when the whole of the works have been substantially com - pleted and have satisfactorily passed any final test that may be prescribed by the contract， the contractor may give a notice to that effect to the employer accompanied by an undertaking to finish any outstanding work during the period of maintenance. such notice and undertaking shall be in writing and shall be deemed to be a request by the contract for issue of a certificate of completion in respect of the works.the employer shall ， with - in twenty - one days of the date of delivery of such notice either is - sue to the contractor a certificate of completion stating date on which， in his opinion， the works were substantially completed in accordance with the contract or give instructions in writing to the contractor specifying all the work which， in his opinion， re - quires to be done by the contractor before the issue of such cer - tificate.the employer shall also notify the contractor of any de -fects in the works affecting substantial . completion that may ap - pear after such instructions and before completion of the works specified therein .the contractor shall be entitled to receive such certificate of completion within twenty - one days of completion of the works specified and making good any defects so notified.
　　similarly， in accordance with the procedure set out in sub - （1）'of this clause， the contractor may request and the em - ployer shall issue a certificate of completion in respect of;
　　　　（a）any section of the permanent works in respect of which a separate time for completion is provided in the contract;and
　　　　（b）any substantial part of the permanent works which has been completed to the satisfaction of the employer.
　　in any part of the permanent work shall have been substan - tially completed and shall have satisfactorily passed any final test that may be prescribed by the contract， the employer may issue a certificate of completion in respect of that part of the perma - nent works before completion of the whole of the works and， upon the issue of such certificate， the contractor shall be deemed to have undertaken to complete any outstanding work in that part of the works during the period of maintenance.