Many taxpayers now rely on the internet to file their taxes.



Many taxpayers now rely on the internet to file their taxes. You must file Form 4868 by the regular due date of the return. Social Security Number SSN or Federal Employer's Identification Number FEIN. You will also need to provide your Social Insurance Number and date of birth when you file. Nonresident aliens are currenlty not allowed to efile their tax returns. If you receive your T1 personal income tax forms in the mail, check the top left-hand corner of the mailing label for your personal access code.

Although most income tax returns can be filed using NETFILE, there is a list of restrictions to the type of returns that can be filed using the Internet. Please check the restrictions list before you begin.