Royal Assent was achieved on 20 March 2020 and the law will commence on 21 March 2022.
Cafodd Deddf Plant (Diddymu Amddiffyniad Cosb Resymol) (Cymru) 2020 Gydsyniad Brenhinol ar 20 Mawrth 2020 a daeth i rym ar 21 Mawrth 2022.