Around 2,000 affected small- and medium-sized retailers across Wales have received hard-copy information from the Welsh Government advising them of the upcoming ban and actions they need to take.
Mae tua 2,000 o fanwerthwyr bach a chanolig ledled Cymru wedi cael gwybodaeth copi caled gan Lywodraeth Cymru yn esbonio'r gwaharddiad a'r camau y mae angen iddynt eu cymryd.