Yn ogystal, gallai fod angen i'r adolygwr gyfrannu o bryd i'w gilydd at waith llunio polisi Gweinidogion Cymru, a hynny drwy ddarparu tystiolaeth berthnasol a chyfredol a dadansoddi'r materion uchod.
In addition, from time to time, the reviewer may be called upon to inform Welsh Ministers’ policy-making by providing relevant and timely evidence and analysis on the matters above.