Yes - UK thing as is a MOT (MOT is an annual check of vehicle road worthiness)!
The V5c thing is your log book, i.e. proof of vehicle ownership (even though it states in the picture that it "this document is not proof of ownership").
Ours look like this:
Assume you've got something like this in NZ! Also may be worth amending your profile to say location is NZ as generally most of this community is based in the sunny UK

just means I (and maybe others) won't throw silly info your way that doesn't apply to you... I'm sure you've been scratching your head wondering what on earth a V5 is and why you don't have one :scratchhead: