Why are you asking that? Have you gotten behind in filing your tax returns? Have you been receiving taxable income that you did not file? Or are you a non-filer who just wants to get a stimulus check?
What if I do not file my tax return?
https://ttlc.intuit.com/questions/2572308-what-happens-if-i-don-t-file-my-taxes
Who has to file?
http://www.irs.gov/uac/Do-I-Need-to-File-a-Tax-Return%3F
If you need to get caught up on filing, TurboTax can provide software for as far back as 2016.
https://ttlc.intuit.com/questions/1900990-how-do-i-file-a-prior-year-tax-return
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
