Mae llawer iawn o waith wedi'i wneud cyn yr ymgynghoriad hwn i nodi'r gweithgareddau sydd heb eu trwyddedu ar hyn o bryd, a lle mae bylchau yn y trefniadau presennol.
A great deal of work has been carried out ahead of this consultation to identify the activities which are currently unlicensed, and where there are gaps in current arrangements.