4.1 Under the current system, a tree preservation order can protect a specified single tree, a specified group of trees, all trees within a specified area, or all trees within a specified woodland.
4.1 O dan y system bresennol, gall gorchymyn cadw coed warchod un goeden benodol, grŵp penodol o goed, pob coeden o fewn ardal benodol neu bob coeden o fewn coetir penodol.