Fel arall, gall deiliaid contractau ofyn i beidio â dilyn yr opsiwn gwreiddgnydau ar gyfer 2018. O dan yr amgylchiadau hyn, ni fydd yn cyfrannu at daliad 2018 ond ni fydd unrhyw gosbau am beidio â dilyn yr opsiwn ychwaith. Rhaid i hawlwyr wneud cais am y rhanddirymiad hwn ymlaen llaw naill ai'n ysgrifenedig neu drwy RPW Ar-lein.
Alternatively, contract holders can request to not undertake the root crop option for 2018.  In these circumstances, it will not contribute towards the 2018 payment but no penalties will be applied for not delivering the option either.  Claimants must request this derogation in advance either in writing or through RPW online.