Yn dilyn ymgynghoriad blaenorol a gynhaliwyd ledled y DU a'r gefnogaeth aruthrol a ddangoswyd o blaid y gwaharddiad, cytunodd Ysgrifennydd y Cabinet dros yr Amgylchedd a Materion Gwledig i gyflwyno'r gwaharddiad drwy is-ddeddfwriaeth Cymru.
Following a previous UK-wide consultation, which revealed overwhelming support for a ban, the Cabinet Secretary for Environment and Rural Affairs agreed to implement such a move in Wales, through Welsh secondary legislation.