I'm not familiar with South America at all really, just assumed that in a country with a GDP per capita a third of the US, the incentive to not do this the offi

I'm not familiar with South America at all really, just assumed that in a country with a GDP per capita a third of the US, the incentive to not do this the official way will likely be higher. It's certainly possible that I may have overestimated the wealth differential and its effect in this particular situation.