You don't need an ITIN to file a schedule G with Form 1120.u00a0 You should put Foreign US in the box for identification number Part II of Schedule G.u00a0 Form 1120 also does not require you the owner to have an ITIN or SSN, you just need the EIN for the corporation.Despite the above, if you are authorized to work on campus or CPTu00a0 under your F1, you are eligible to get a SSN.