Like any financial institution, credit unions have the financial resources. Most modern credit unions represent specialized consumer cooperatives of citizens associated by the principle of social community: place of work, place of residence, profession, or any other shared interest. Like the credit cooperatives, credit unions form associations of a higher level, which are called corporate credit unions. The relationship of shareholders with credit union are not client-based, they are co-operative, based on different principles and standards, in particular, on the principles of the law of obligations. Credit unions are competitors of savings institutions, adding interest on deposits of members. This applies to the shares, as well as to additional funds transferred to the account in the credit union. Taking a decision to join a credit union, citizens create an organization through which they participate in the shared savings by mutual crediting and joint (collective) use of personal savings. Shareholders in corporate organizations are basic credit unions, besides the same union can be a shareholder of several corporate organizations. Standards by which credit unions build their work do not coincide with the standards and regulations of consumer cooperation of the usual type. A credit union on its own initiative order is created by citizens (individuals) to solve their financial problems that they could not solve in other financial institutions.