There is a US-Russia double taxation treaty.[0] He'll be eligible for the foreign earned income exclusion by filing time. That protects US persons from double

There is a US-Russia double taxation treaty.[0] He'll be eligible for the foreign earned income exclusion by filing time. That protects US persons from double taxation up to about $100k of earned income, even without a tax treaty. And he needs to remember to file his FBARs, too. [0]http://www.irs.gov/Businesses/International-Businesses/Russia---Tax-Treaty-Documents http://www.irs.gov/Businesses/International-Businesses/Russi...