Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. In the early 60s Western Union has put into operation transcontinental microwave system of data transmission via radio waves, completely replacing the web of telegraph poles and wires. The size of the commission fee for the transfer is charged according to the Western Union tariffs and depends on the amount of money sent. One of the common kinds of money transfer is a transfer via the international system of Western Union. In October 1871 the company has implemented the world's first telegraph money order. After a century money transfers have become a major source of income for Western Union. In October 1871 the company Western Union began to provide money transfer services, drawing on its own extensive telegraph network. Western Union made so that the time in all of American civil services was the same.