The landmark legislation, which was passed by a supermajority of Members of the Senedd in May, will create a modern, more effective Welsh Parliament to serve and represent people in Wales.
Bydd y ddeddfwriaeth nodedig hon, a gafodd ei phasio gan uwchfwyafrif o Aelodau o'r Senedd ym mis Mai, yn creu Senedd fodern, fwy effeithiol i wasanaethu a chynrychioli pobl Cymru.