U.S. embassies and consulates assist the Selective Service System with its registration program abroad. Overseas registrants are encouraged to register with the Selective Service website using following link https://www.sss.gov/foreign-registration-form/
Overseas registrants should complete the form below and mail it to the selective Service System at the following address:
Selective Service System
Registration Information Office
P.O. Box 94739
Palatine , IL 60094-4739
USA
Selective Service System REGISTRATION FORM (PDF 55KB)