As time has passed, additional information has been added to this IIA to assess the impacts of the decisions made and to reflect subsequent changes to coronavirus restrictions.
Wrth i amser fynd heibio, mae gwybodaeth ychwanegol wedi'i hychwanegu at yr AEI hwn i asesu effaith y penderfyniadau a wnaed ac i adlewyrchu newidiadau dilynol i gyfyngiadau coronafeirws.