selling a plate on retention

[andyhog]

hi guys not a mgzs related question but just wondered if any body has an experence with private plates , i have a plate which i have on retention and im selling , can anyone tell me how i proceed i have the retention in my name , do i have to change the owner over to the buyer so to speak or do i just give them the certificate , i will call into my dvla office at the end of week but just thought i would ask on here first ,

cheers All Andy