I guess if the dog has a "fit bit " attached to it they could...

I guess if the dog has a "fit bit " attached to it they could police it by having the fit bit downloaded every so often to the authorities which would show it has been active .
Dogs temp is about 3 degrees hotter than humans so could see if it was you or the dog that did the exercise . .
But it sounds a little Orwelian or dare I say it how the Nazis policed the Jews .