The 2023 Act and its substantive supporting regulations also constitute the first code of law produced under the Welsh Government's programme to improve the accessibility of Welsh law.
Mae Deddf yr Amgylchedd Hanesyddol (Cymru) 2023 a’i rheoliadau cysylltiedig yn rhoi i Gymru y ddeddfwriaeth amgylchedd hanesyddol fwyaf diweddar yn y DU.