Changing any information registered in your corporation's Articles of Incorporation or your LLC's Articles of Organization requires you to file what is known as an Article of Amendment or Certificate of Amendment. This should be done in the state in which your corporation or LLC is registered to do business. If you need to change any information about your corporate shares (such as the par value of the shares or the volume) you need to file a Share Amendment. Changes to the name of your corporation or LLC require a Name Change Amendment.
Revising the purpose of your corporation or LLC (as the purpose was stated in your original Articles of Incorporation or Articles of Organization) required you to file an official amendment to those documents in the state in which that business was incorporated.