Confirmation that the operator has ceased to take taxable disposals, including any site restoration material (LDTA/4000) and the date on which the last taxable disposal took place.
Dylid cadw cofnod o'r holl weithgareddau cae, gan gynnwys dyddiad yr hau, tystiolaeth o ddefnyddio gwrtaith a phlaladdwyr a dyddiadau pori neu dorri.