This is probably worth saving (memorizing, in case it “disappears”). From USA Today, Sept 17, 2020.
Biden received five student draft deferments, first as an undergraduate at the University of Delaware and later as a law student at Syracuse University.
And after a medical exam in April 1968, he received the “1-Y” classification, which meant he could only be drafted in a national emergency.
Biden released his Selective Service records to the Associated Press in 2008. At the time, a spokesperson said he was “disqualified from service because of asthma as a teenager,” per The News Journal.
Who knows if this info will remain available.