Consequently, there is still no legal generic Viagra available in the United States - despite what some online advertisers claim - nor is there an over-the-counter (OTC) version of this drug yet.
Steps. 1  1. Know if you must register for the Selective Service. 2  2. Register online using the Selective Service Registration website. 3  3. Fill out the registration card sent on your 18th birthday.  4. Register on with your application for Federal Student 1  Aid. 5. Register at a post office.  6. Confirm your registration.
Selective Service Requirement on Form N-400. According to U.S. law, a man must register with Selective Service within 30 days of his 18th birthday. Selective Service can accept a late registration but not after a man has reached his 26th birthday. This requirement applies to citizens, permanent residents, refugees, asylees, and even undocumented aliens.