Selective Service System mandatory to join?

<p>Hello. I was wondering if the Selective Service System is something that is truly “the law” or just some kind of scam. Thanks in advance for any help received.</p>

<p>It’s “the law.” You have to join. They won’t sell your data to anyone.
See: <a href=“http://en.wikipedia.org/wiki/Selective_Service[/url]”>http://en.wikipedia.org/wiki/Selective_Service&lt;/a&gt;&lt;/p&gt;