9.13 In some cases the owners of trees may be obliged to carry out works to protected trees as the result of an Act of Parliament or some similar obligation.
9.13 Mewn rhai achosion, efallai y bydd yn ofynnol i berchnogion coed wneud gwaith i goed sy'n cael eu gwarchod o ganlyniad i Ddeddf Seneddol neu rwymedigaeth debyg.