Caiff proses orfodi glir, syml a chadarn ei chreu i ddelio â thorri rheolau'r ddeddfwriaeth. Gallai hysbysiadau cosb benodedig gael eu cyflwyno i unrhyw un sy'n ceisio codi taliad gwaharddedig. Os na chaiff cosbau eu talu, gall troseddau honedig gael eu herlyn drwy Lys Ynadon, a gallai hynny arwain at ddirwy heb gyfyngiad. Bydd Rhentu Doeth Cymru yn cael eu hysbysu am unrhyw drosedd, a byddant yn cymryd y drosedd i ystyriaeth wrth benderfynu a ddylid caniatáu neu adnewyddu trwydded ai peidio – a heb drwydded, ni all asiant na landlord roi eiddo ar osod neu rentu eiddo yng Nghymru.
A clear, simple and robust enforcement regime to deal with breaches of the legislation will be created. Fixed penalty notices may be issued against anyone seeking a prohibited payment. If penalties are not paid, alleged offences can be prosecuted through the Magistrates Court and could result in an unlimited fine. Rent Smart Wales will be notified of any offence, which they can take into account when considering whether to grant or renew a licence – without which an agent or landlord cannot let or rent properties in Wales.