Originally Posted by marty's ghost:
“A thought about the ID tag conundrum - suppose Rory isn't Rory, but someone/thing has taken over his form. ie: the real Rory was a nurse from the 1990's whose form has been copied/taken over in the 2010's. The corresponding ID tag would remain dated 1990.
However, I have to add that I feel if Rory is an imposter of any kind, he doesn't actually seem to realise he is.”
On the other hand, maybe Rory has actually been moved forward in time at some point.