Is there any route to Revalidation that would not require having to complete CPD or the NI Revalidation/DP Refresher course, such as extra sea time?

Is there any route to Revalidation that would not require having to complete CPD or the NI Revalidation course, such as extra sea time?

 The CPD is mandatory for each NI DP Certificate holder who has a certificate expiring from 1^st January 2024, regardless of how much sea time in excess of 150 days they may have.