ATODLEN 13MÂN DDIWYGIADAU, DIWYGIADAU CANLYNIADOL A DIDDYMIADAU
55Deddf Priffyrdd 1980 (p. 66)
Yn adran 105ZA(1), ym mharagraff (g) o’r diffiniad o “sensitive area”, ar ôl “the Ancient Monuments and Archaeological Areas Act 1979” mewnosoder “or the Historic Environment (Wales) Act 2023”.