yn y diffiniad o “conservation area”, ar ôl “section 69 of the Planning (Listed Buildings and Conservation Areas) Act 1990” mewnosoder “or section 158 of the Historic Environment (Wales) Act 2023”;

yn y diffiniad o “the planning Acts”, ar ôl “Planning (Listed Buildings and Conservation Areas) Act 1990,” mewnosoder “Parts 3 to 5 of the Historic Environment (Wales) Act 2023 (and Part 7 of that Act as it applies for the purposes of those Parts)”.