The principal consultation conducted in relation to the new ALN system was that conducted in relation to the draft Additional Learning Needs and Education Tribunal (Wales) Bill.
Y prif ymgynghoriad a gynhaliwyd mewn perthynas â'r system ADY newydd oedd yr un a gynhaliwyd ar gyfer Bil drafft Anghenion Dysgu Ychwanegol a’r Tribiwnlys Addysg (Cymru).