Additional information needs to be included if an Environment Impact Assessment is required, and this will be agreed in a mandatory pre-application discussion with NRW.
Rhaid cynnwys gwybodaeth ychwanegol os oes angen Asesu'r Effaith Amgylcheddol, a chytunir ar hynny mewn trafodaeth orfodol cyn ymgeisio gydag CNC