Gellid gwneud rhai agweddau ar y Rheoliadau HIA, yn eu cyfanrwydd neu'n rhannol, gan ddarpariaethau mewn rheoliadau a wneir gan Weinidogion Cymru o dan adran 2A o'r Ddeddf.
Some of aspects of the HIA Regulations could be made all or in part by provision contained in regulations made by the Welsh Ministers under section 2A of the Act.