An initial draft was prepared at this time, but the Covid-19 pandemic meant that further work was paused as staff were diverted to emergency support duties.
Lluniwyd drafft cychwynnol bryd hynny, ond yn sgil pandemig Covid-19 cafodd gwaith pellach ei ohirio wrth i staff gael eu dargyfeirio i ddyletswyddau cymorth brys.