In Mexico, is the amount of money you receive the employee of a company or pattern for personal expenses or because of their work; usually for power, transportation, lodging and miscellaneous, which do not form part of the salary; for example, a seller outsider, which carries out its work outside their place of residence, for one or several days, will receive a vehicle and the goods for sale but also a certain amount for expenses, such as gasoline, food, lodging and for unforeseen expenses, such as the pochadura of a tire or booths on roads of fee payment.