For both types of provision some assessments were cancelled, delayed or adapted.
Mewn rhai sefyllfaoedd gall y gwelliannau hyn gael eu derbyn, neu arwain at ymholiad, ac wedi hynny gellir eu cadarnhau, eu gwrthod neu wrthdroi'r gwelliant (os oedd wedi'i dderbyn yn flaenorol).