A local authority (a county or county borough council in Wales), elected mayor or an executive leader must have regard to it; and Section 71 of the Government of Wales Act 2006.
Rhaid i awdurdod lleol (cyngor sir neu gyngor bwrdeistref sirol yng Nghymru), maer etholedig neu arweinydd gweithrediaeth roi sylw iddynt; ac adran 71 o Ddeddf Llywodraeth Cymru 2006.