You must keep this paperwork for inspection by Cardiff Council for a minimum of two years for non-hazardous waste and 3 years for hazardous waste.
Rhaid i chi gadw’r gwaith papur hwn i Gyngor Caerdydd ei archwilio am o leiaf dwy flynedd am wastraff nad yw’n beryglus a 3 blynedd am wastraff sy’n beryglus.