If the press or a govt. agency had to ask JW leadership if they disfellowship members for accepting Blood the answer would be NO ! [But back home you would be shunned all the same and an announcement would be made that YOU no longer consider yourself a JW !
Same with voting ......this covers the JW Org ass where Voting is compulsory - eg https://en.wikipedia.org/wiki/Compulsory_voting.