Mp has written to DVLA, they sticking to it. I've found several others in the same position, all written to their MPs. My mp no longer responds to me.
Having filled in the form, v77 I think it was, not enough has changed for an IVA.
Someone has taken legal advice, and their opinion was the DVLA are interpreting the legislation incorrectly, but unable to afford to try get them to take action.
Dvla have said the tester needs to create a new record on Mot software and select electric, mine was tested as electric in September.
Insurance was a pain, only 2 companies would go near it, they don't care what the v5 says, only that it matches what I've told them. This may vary over company.