Forestry (Felling of Trees) Regulations 1979 as amended by the Forestry (Felling of Trees)(Amendment) Regulations 1987
Rheoliadau Coedwigaeth (Cwympo Coed) 1979 fel y'u diwygiwyd gan Reoliadau Coedwigaeth (Cwympo Coed) (Diwygio)(Cymru) 2023