3.6 You must communicate with dutyholders about key decisions and their implications on their buildings and building works at relevant times.
3.6 Rhaid ichi gyfathrebu â deiliaid dyletswyddau am benderfyniadau allweddol a’u goblygiadau mewn perthynas â’u hadeiladau a’u gwaith adeiladu ar adegau perthnasol.