Proof of written confirmation from us authorising any cost or target variation of more than 15% as set out in Schedules 4 and 2 respectively of the Offer of Grant Letter / Grant agreement letter.
Fel yr amlinellir uchod, bydd angen ein cydsyniad ysgrifenedig ymlaen llaw ar gyfer unrhyw amrywiad o fwy na 15% i gostau neu dargedau sydd wedi’u cymeradwyo.