The Historic Environment (Wales) Act 2023 (Consequential Provision) (Secondary Legislation) Regulations 2024 also come into effect on 4 November 2025.
Bydd y newidiadau yng Ngorchymyn Ardrethu Annomestig (Diwygio’r Diffiniad o Eiddo Domestig) (Cymru) 2022 hefyd yn gymwys o 1 Ebrill 2023 ymlaen.