With the RMS app, you can disable the returns for International Customers.

This how you can do it –

Go to the “Settings–> “Return Policies –>International Returns” and select “Allow Only Domestic Returns”

With this, the returns for the International customers will be disabled.

Note: By default, the International returns settings are set to “Allow International Returns”.

Change your domestic Country –  Select any country from drop down list to set it your domestic country.

Note: By defaults, the App set your shop’s country to the domestic country.

Please refer to the following video tutorial: