There are no general guidelines for opening a bank account in Argentina. Every bank appears to have its own requirements for opening an account, besides the basics of a valid passport. Opening a savings account (cuenta de ahorros) or checking account (cuenta corriente) also affects what documents are required. The best advice is contact the bank directly before making a trip.
In Argentina bank accounts can be opened in Argentina pesos (AR$) and in US Dollars (US$). The costs of these accounts usually vary. A checking account is used for daily payments, whereas a savings account is used to save money. Banks keep traditional "banker's hours" and are typically open on weekdays from 10 a.m. until 3 p.m.
Banco La Nacion has the following requirements for foreigners to open an account:
You can find ATMs throughout the city. The most common are those that are part of the Banelco network and are identified by a burgundy sign. They can be found at banks, service stations, and malls.