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How to process IRS check as a non-resident?
I suspect @SpehroPefhany is correct and that your bank will cash a check from the US Department of the Treasury.  Especially since they're the same ones who guarantee the U.S. Dollar.  They may hold the funds until the check clears, but I think you'll have good luck going through your bank.  Of course, fees and exchange rate are a factor.   Consider browsing the IRS and US Treasury Department websites for suggestions/FAQs.   I suggest you line up a way to cash it, and make sure there's enough left after fees and exchange rate and postage to get the check that the whole process is worth it, all before you ask it to be shipped to you.   If there's no way to do it through your bank, through a money exchange business (those at the airport come to mind) or through your government (postal bank?), and the check is enough that you're willing to go through some trouble, then you should look into assigning power of attorney for this purpose.  I don't know if it is possible, but it might be worth looking into. Look for US based banks in your area.