// CBUs identify a bank account
var cbu = require('arg.js').cbu;
var valid = cbu.isValid('123'); // false

// CUITs identify a person or a company
var cuit = require('arg.js').cuit;
var valid = cuit.isValid('27361705039'); //true

// DNIs identify a person (including a foreigner living in Argentina)
var doc = require('arg.js').document;
var validDni = doc.isValidDni('36111222'); //true

// Phones will be returned with the country and area code
var phones = require('arg.js').phone;
var cleanPhone = phones.clean('1556623011', '11'); //+5491156623011