(c) approved by NRW under the conditions of a grant or loan made by the Welsh Government, where the operations relate to felling or thinning, or
(c) a gymeradwyir gan CNC o dan amodau grant neu fenthyciad a wneir gan Lywodraeth Cymru, lle mae’r gweithrediadau yn ymwneud â chwympo neu deneuo coed, neu