ExistingView attachment 876461
Is this an option you have now? If so, you're governed by the prevailing rules at the time you signed up, not subsequent goal post moves - worth watching RPA inspectors notes for.
Are you thinking of this for a future scheme? It's now called AB6 for CS.
AB6: Enhanced overwinter stubble
Find out about eligibility and requirements for the enhanced overwinter stubble option.www.gov.uk