Jewish is an ethnicity as well as a religion. St. Edith Stein had to wear a yellow star and she was no apostate.

You really think there wouldn't be some kind of statement to smoke out the real Muslims from the fakers and that this would constitute a "theology quiz" and that whatever government agency responsible for a Muslim registry would accept your non-answer?

Neither you nor Steven Shea answered my question as to how far you would take take this in the case of a hypothetical Muslim registry. Would you deny Christ is the Son of God to get on this list?