3.4 You must not take on a technical management role, or supervise the work of others, unless you have the necessary competence to do so.
3.4 Ni chaniateir ichi ymgymryd â rôl reoli dechnegol, na goruchwylio gwaith pobl eraill, oni bai bod gennych y cymhwysedd angenrheidiol i wneud hynny.