In case you have filed a Federal income tax return for any prior tax years, please select 'Yes'
You will then be asked to provide the information about the return filed.
You can choose a year up to 2016 tax year and if you have filed a return for a year before 2016 you do not need to report it and can mark 'No' on the question above.
Afterwards you will need to select the type: 1040NR, 1040NR-EZ, 1040, 1040A
Info: Form 8843 is not considered as a tax return and should not be reported here.