This form is designated only for businesses that are required file their Corporate Income Tax Return. Businesses uses forms 1120S for S Corp, 1120 for C Corp and 1065 for Partnership.
Documents required for the process: Forms 1099, an Employer Identification Number (EIN) letter, Articles of
Organization or Incorporation, Operating Agreement or By-Laws (or another document that confirms members or shareholders) social security, ITIN, or EIN for each member or another document that confirms members/ shareholders) social security, ITIN, or EIN for each member or shareholder.