Brought to my attention this morning by James Sapeira @JamesSaperia
We can now tell DVLA Instantly when when are taken in part exchange on behalf of the customer !
[ Only if you want to tell them .. if you want a couple of days grace to run the PX about then i guess use old fashioned method ]
https://www.gov.uk/motor-traders-sale-vehicle
Think personally its the way forward -!
Thanks James for keeping us posted