These telecommunications tariffs originated with the advent of public phone service. In these times, the services provided were less complex, and customers were able to simply read the tariffs to understand how much they would be charged for each type of call. Additionally, only a few telecommunication industries participated in the market, facilitating decision-making. As the market became increasingly competitive, the need for regulation decreased. In 2001, the U.S. Federal Communications Commission (FCC) declared the telecommunications market was fully competitive in the United States, and eliminated the need to file tariffs with federal regulatory agencies. However, to continue operating, many state and local governments still require telecommunications tariffs.