FORco opens a sales office in the U.S. and assigns a nonresident alien to manage the sales office and make sales calls for five months before returning back to her home country. Correct answer is: FORco must f le a Form 1120F and the nonresident alien must file a Form 1040NR. FORco does not have to file a Form 1120F and the nonresident alien does not have to file a Form 1040NR. FORco must file a Form 1120F, but the nonresident alien does not have to file a Form 1040NR. FORco does not have to file a Form 1120F, but the nonresident alien must file a Form 1040NR. Solution FORco does not have to file a Form 1120F and the nonresident alien does not have to file a Form 1040NR. .