In the U.S. a certificate of incorporation is usually used as an alternative description of a corporation's articles of incorporation. A certificate of incorporation is a legal document relating to the formation of a company or corporation. In U.S., the certificate of incorporation forms a major constituent part of the constitutional documents of incorporation. It is a document produced by a newly organized corporate entity and submitted to a state office for registration purposes, and this document officially indicates the corporation's existence. Since the requirements for Certificate of Incorporation are created by state laws, it can vary from state to state. Some states only require that the certificate contains the name of the corporation, the nature of the business the corporation will engage in, name address of the registered agent and registered office, amount and type of stock which may be issued and the name(s) of the incorporators. However, the certificate of incorporation may also include additional provisions such as provisions authorizing multiple classes of stock, setting out the rights and preferences of the stock and pertaining to anti-takeover measures (such as the creation of a classified board or requirement of supermajority voting). . If there is any inconsistency between the certificate of incorporation and other governing documents, the certificate of incorporation controls.