These new rules go into effect 1/1/2027 for all events sanctioned by the Professional Disc Golf Association.

https://www.pdga.com/news/official-rules-disc-golf-and-competition-manual-disc-golf-events-updated-2027

The proposed changes to C1 and C2 have been tabled for further review in future years.

Check out the link for all the new changes that are coming to PDGA events in 2027