So I am working on filling out these clearance forms so I can have network access once the academic year starts, but ran into a problem. The form asks for my selective service number. I am still 17 (and will be until into the academic year) and have not registered with the SSS yet. The below quote says that SA attendees do not have to register. However, if I don't register how do I fill out this security paperwork correctly? -https://www.sss.gov/FSwho.htm Any thoughts are appreciated.