How to process Visa card from Argentina?

[Snowflakes]

How  do I process a Visa card from Argentina,?

[VanKalkerFarms]

If you are within your country you registered your Square account with you should be able to use it in Square POS.  

https://squareup.com/help/us/en/article/5085-accepted-cards

[Helen]

@Snowflakes It looks like you created your Square account in the US — this means you'll only be able to accept card payments in the US. It's not possible to accept payments when you're travelling. If this changes in future we'll certainly announce it!