In recent decades, many credit unions began to resort to such form of service as U.S. credit unions have another significant difference from the credit cooperatives of farmers: the first have major proportion of short-term loans, the second - long and mostly in real estate. To increase the number of credit unions in 1979 was adopted the corresponding law that serves as the legal basis of their activity. Unlike banks credit unions limit their activities to a closed circle of people. A potential new member of a credit union must submit a recommendation of shareholders in which the referee becomes a warrant of a future member of the credit union.