Hi,

During my opt, for the first 2 months I got my FICA deducted. Now I want to claim it back.. somewhere I read I need to fill from 843 but, I didn't find any section which describes the FICA and also do I need any letter from my company stating the same fact...

Regards,
Lokesh

Read about filing Form 843: Your U.S. Tax Return: Social Security and Medicare (FICA) Taxes for Non-resident Exempt Individual (http://taxipay.blogspot.com/2008/03/non-resident-exempt-individual-social.html)