here it is once a year max, unless they goof and you didn't save proof. there are health exclusions, but that takes a doctor note. I want to see what they do if a dead person doesn't send in a death certificate, (they are expensive). It is a good experience, if you are level headed and fair minded. Claiming to be ADD or such is a pretty sure way to get called on puropose areound here, and claiming prejucide can get you a contempt citing,
If you are called and can go do it. It is one of the obligations and privileges of a free society.