In the case of this specific country, relatively easily since the country has enough clout to impose reporting requirements[1] on financial institutions outside

In the case of this specific country, relatively easily since the country has enough clout to impose reporting requirements[1] on financial institutions outside of its borders. [1] https://en.wikipedia.org/wiki/Foreign_Account_Tax_Compliance_Act https://en.wikipedia.org/wiki/Foreign_Account_Tax_Compliance...