Unless otherwise agreed, Tests on Completion of Design-Build shall be carried out within 14 days after this date, on such day or days as the Employer's Representative shall instruct.

除非另有商定，此类试验应在该日期后14天内于业主代表指示的某日或数日内进行。

youdao

Wouldn't it be easier for the Scottish Executive to toughen Scotland's building regulations so that completion certificates depended on passing air tightness tests?

BBC: The ?1,000-a-year heating bill is here.