AND...pleas do not attempt to file until sometime into February.....The IRS isn't even starting processing until after 27 January...and might even be into Feb before they start.
IF you file now, and find something in the next few weeks that you forgot to enter, or mis-entered.....You are locked out of your tax file until AFTER the IRS actually attempts to process your file. (AND...If they accept your tax file, and you need to change something...you'll have to start the special AMEND process a month or two later...and that can be a mess)
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
