I believe it's only if you had a US citizenship or if you were a legal permanent resident (i.e you had a greencard) for 8 or more years. You can search online f

I believe it's only if you had a US citizenship or if you were a legal permanent resident (i.e you had a greencard) for 8 or more years. You can search online for 'IRS expatriation tax' or form 8854, or better talk to a lawyer...