Your multiple posts about this have made it hard to follow exactly what you have done. Did you actually complete this form and either fax or mail it to the IRS?
https://www.irs.gov/pub/irs-pdf/f3911.pdf
"There are many shipping companies" The IRS does not use a "shipping company" to send your check. They use first class United States mail. As for what happens when the envelope arrives in your country, we cannot say.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
