New DVLA online log book service hits one million transaction milestone Driver & Vehicle Licensing Agency sent this bulletin at 22-04-2021 04:13 PM BST Press release New DVLA online log book service hits one million transaction milestone DVLA is celebrating reaching a million transactions on new online service for home movers to change an address on a V5C log book. Since its launch in June 2020 the service has proven extremely popular, with over 60% of motorists needing to tell DVLA about a change of address choosing to use the online service instead of through the post.